Friday, February 6, 2009

Basic of Windows (2)

Performance Improvement Network and Internet

18. Share a folder on your computer to the network, right-click the folder and select Properties. Click the Sharing tab and enable option Share this folder on the network. Give your name and click OK.

19. Create a My Network Places icon on the desktop by clicking the blank area right in the desktop and click Properties. Select the Desktop tab | Customize Desktop. Then open the General tab and enable option My Network Places.

20. It's an easy way to send a message to other computers on the network, ie, using the Message Console. Open the Control Panel | AdministrativeTools | Computer Management | Action | All Task | Send Console Message. Type the text you want to send, add the name of the computer that would dituju and click Send.

21. To set the Internet Connection Firewall (ICF), open the Network Connection in Control Panel, right-click the connection and click Properties. Go to the Advanced tab and enable option Protect my computer and network by limitting or Preventing access to this computer from the Internet.

22. Set the Internet Connection Firewall (ICF) for each existing connection. Both dial-up or broadband. If your computer is part of a network that is connected to the Internet, just plug in the ICF computer server.

23. To find out your IP address, enter in the DOS by typing in the Run command. Then type ipconfig / all.

24. If you receive a message from the Internet through the Messenger, immediately turn off. How, go to Contol Panel | Administrative Tools | Services, double-click Messenger and then Stop. To prevent that do not recur, set so that Messenger becomes the Disabled in Startup.

25. Disable Windows Messenger with the regedit. Go to HKEY_LOCAL_MACHINE \ Software \ Policies \ Microsoft, then select the menu Edit | New | Key, and name Messenger. And then make a key again in this manner in the directory name with the Messenger key to its Client. After that, click the menu Edit | New | DWORD Value, and name-Run prevent. PreventRun right-click the value, select Modify, fill in the number 1 on the Value data, and click OK
26. To find out information about the connection on your computer, click Start | All Programs | Accessories | System Tools | System Information. Select the menu Tools | Net Diagnostics. In the window that opens and select the option Scan your system. Wait until the process is complete to see the results.

27. Protect your privacy by preventing the application of Windows Media Player to send data about your computer habits and using the computer through the Internet to certain addresses. How easy, in Windows Media Player, select the menu Tools | Options. Open the Player tab, and disable option Aloww Uniquely internet sites to your player.

28. To lock a computer in a network domain, press the Ctrl + Alt + Del at the same option and click Lock Computer. To open again, press the Ctrl + Alt + Deldan enter the password. Configuring the Windows Easy and Fast.

29. To men-disable autorun feature, right-click the CD drive icon, select Properties and go in the AutoPlay tab. Then disable autoplay for individual file types listed in the list.

30. Use Microsoft Clear Type Tuning Control of http://www.microsoft.com/typography/cleartype/ set to Clear Type on the computer.

31. To view the system files that are in default-hidden by Windows XP, select the View tab in the menu Tools | Folder Options in Windows Explorer. Enable the Display content of system folders.

32. To put the volume control icon in the taskbar, go in Control Panel | Sound and Audio tab and click Volume. Enable Place volume control in the Taskbar and click OK.

33. Set the Power button on the keyboard through Control Panel | Power Options in the Advanced tab. Define the Power button to select this option available.

34. Set to clean the Windows Pagefile when shut down for security. Do, open the registry and the entry in the directory HKEY_LOCALMACHINE \ SYSTEM \ CurrentControlSet \ Control | Session Manager. Edit the key value-Clear PageFileAtShutdown to 1. Consequently, the shut down process will take a little longer.

35. Set Windows to display each file's extension. How, in Windows Explorer, select the menu Tools | Folder Options and the View tab. Remove the check mark in the option Hide file extentions for known file types.

Make Own Control Panel

It will be fun if you can create your own Control Panel which contains the tools that you use often. Although the option is not included in Windows Vista, there are ways to create your own Control Panel.

FOR FOLDER
To create a "Control Panel" itself, we first create a folder. Right-click Start button and then select Explore. When the Start Menu folder appears, double-click the Programs folder. Programs appear then the folder, click the organize menu in the toolbar of Windows Explorer and then select New Folder. Next, name the folder My Control Panel or anything you like.

CHANGE ICON FOLDER
Now, right-click the folder My Control Panel, and then select Properties. Select the Customize tab, and klik tombol Change Icon Folder icons on the panel. When the Change Icon box dialog appear, select the icon to differentiate the folder from all other folders on the Start menu.

DRAG FOLDER TO START MENU
Now, drag the folder My Control Panel folder from the Programs and navigate to the Start button. When the Start menu open, drag the My Control Panel folder and drop to the top of the Start menu. Up to here, you can enter the tools to "Control Panel".

INSERT TOOL (1)
To enter the tools to "Control Panel", open the folder My Control Panel from the Start menu. Next, open the original Control Panel and select Classic View. Now, drag and drop tools that you use most often from the original Control Panel to the folder My Control Panel. Usually make a shortcut with the drag-and-drop are sufficient. But as you know, that there are many tools in other tools. For example, to go to Display Settings, you must first open the Personalization.

INSERT TOOL (2)
Fortunately some shortcut command line tools still exist in the old Windows Vista and you can use it. Tools Control Panel of Windows Vista can be found in the folder Windows \ System32 (in the CPL file). You can run it using the format command: control tool.cpl in which the tool is a tool Control Panel.

RENAME SHORTCUT
When dragging tools, Windows Vista will create a shortcut to these tools. Windows Vista will add the "- Shortcut" to each name tools. Of course, you can remove and replace additional names as desired. When completed, close the folder My Control Panel and Control Panel of the original. Now when you want to run the tools often used, simply click the Start button and select the My Control Panel icon.

Thursday, February 5, 2009

Tips Update Kaspersky (Offline)

Kaspersky Antivirus is one of a quite popular, which is currently already available in 2009 version (Kaspersky 8.0), both Antivirus and Internet Security. Kaspersky does not like previous versions (6.0 and 7.0), which already provides a direct link download update, version2009 is not yet menyedikannya. Kaspersky Products 2009 (both 2009 Antivirus, Internet Security 2009 and others), do an online update (requires Internet connection directly). But some tips so that we can do offline update, just download and update the required course. Kaspersky actually already provides its own special tools to update its products, Kaspersky Updater. This tool can be used free for download update all the products start to Corporate Home Edition. Although initially this updater tool based command line, at this time already have a version GUI (graphical user interface), in the view window, so the easier use. Please open link to Kaspersky Update Utility Download Updatenya.



Please download the two files above, the GUI of version and Update utility for Windows. Once finished, open the zip file and put them in a folder. Then run the file KasperskyUpdater.exe, to download the update in accordance with the version that can be selected, such as the view below.



If you have selected the appropriate version, just click Apply and then Start to start the update process, it will appear Kaspersky update process, and wait until finished. If this update the first time, will likely take a long time, because the size is big enough, can reach 30 MB. But the next update should take place quickly, because it only download the newest update only.



How Updatenya process?
When the updater is run, then there will be two and Updates Temp folder under the folder containing the file is KasperskyUpdater.exe. Temp folder contains files to update, and while it seems also to compare with the update of the Kaspersky servers. While the Updates folder contains files that update is ready to be used to update Kaspersky
If you update the download is complete, we manage to stay so that the settings in the Kaspersky update process is not done online, but from the Updates folder. Do the following:
1. Right-click the Kaspersky icon in the Windows systray select the settings menu
2. Select the Update menu and click Settings
3. Click the Add menu, and find the location of the folder containing the update file above (download the Updates folder above)
4. after added, remove the check for "Kaspersky Lab's update server" and click OK.



The process is completed, to update, right-click the icon to stay Kaspersky menu and select Update. Or from the Main menu, select Update and click on Start Update
If we want to update in the cafe or another computer, do not forget to include the files in the Temp folder (and folder is not deleted), so that the update process can be run quickly. Updates to the folder, it should also be used to update the Kaspersky on other Computers

Basic of Windows

After installing Windows and other applications that are required in the computer, there are several things you should do. One of them is to do some things to speed up and simplify the performance of the computer. For example, set the computer to restart more quickly, or display the hidden menu, use the shortcut for faster access and so forth.
All the above is a small part of the basic tips and tricks of Windows that we submit the following. A computer is just not comfortable enough without increasing the security. This is important, because the connection to the network, the Internet or to another computer, a little more definitive risk. Start from the spread of the virus until the data by our people that are not eligible. For that, we also include some basic tips to improve security in Windows.
Some tips and tricks and step by step guide in this paper using the assistance of a particular program can be downloaded from several sites on the Internet. Installing the program is in this paper comes mostly from the official Microsoft site. So the less likely these programs cause errors in your PC. So do not doubt, continue to follow the basic tips and tricks in Windows that is rarely revealed!

Install Windows Easy and Fun
01. Back-up first before the registry edit. How, click Start | Run, type regedit. After the registry window appears, select the menu File | Export. In the Export range, select All and specify the file name, end with a button click Save.

02. Many programs are actually installed in Windows, but not active. To activate it, go to Control Panel | Add / Remove Windows Components, and check on the program that has not been active.

03. Before installing the new program or make changes to Windows settings overall, a better manual Restore Point first. How, Click Start | All Programs | Accessories | System Tools | System Restore and click Create a restore point.


04. If you decide to install a Windows Update that previously decline, go to Control Panel | System, select the Automatic Updates tab and click Restore Declined Updates.

05. To set the Windows update in line with your needs, set the first Windows Update. Do, open System in Control Panel and click the Automatic Updates tab. Set the option to disable or enable Keep my computer up to date.
06. If you do not have a bootable CD, do not worry. Microsoft already provides
free tool to create a diskette booting in http://support.microsoft.com/?kbid=310994.

07. If the current Windows installation suddenly stopped, turn off the computer and drop additional card. For example, sound card. Reinstall and re-install the card after the installation is complete.

08. To add the System Administration Tools are Start Menu, right click on Start | Properties. Entry in the Start Menu tab and click Customize and then enter in the Advanced tab. Slide down and check the Display option on the All Programs and the Start Menu.

09. To install Back-up Utility in Windows XP Home Edition look ntbackup.msi file in the directory \ valudeadd \ MSFT \ ntbackup \ in the Windows XP installation CD. Run the file and follow the step by step.

10. Windows XP will automatically highlight any new installed program. How to removed it, right-click Start | Properties. Go to the Start Menu tab | Customize, then click the Advanced tab and uncheck the checkbox option Highlight newly installed programs.

11. To view the film or the best game on the computer, make sure that the latest DirextX already installed properly. View the latest version at http://www.microsoft.com / windows / directx.

12. Sometimes the hardware will be installed not support Plug-and-Play. For that, use the Add Hardware Wizard in the Control Panel | System | Hardware for the detection.

Accelerating Work Computers

13. Actually only take no more than 2 minutes to go to Windows since the computer is turned on. However, it sometimes feels very old. To speed up loading of Windows, there are some things you can do. For example, the icon on the desktop and not using the wallpaper can be a lot of memory. Change wallpaper with a background color, and use the Desktop Cleanup Wizard that can be found with the right-click on the desktop to clean icon. Do not forget, run defrag regularly.

If you frequently add or remove programs on the computer, clean registry regularly. Use aids such as software Registry Mechanic www.winguides.com from the site. Unfortunately, the trial version of this program can only be used to improve the course of 6 sections.

Other steps that need to be is remove programs that are loaded automatically when Windows starts. Of course, the only programs that are not needed. How, by removing all the startup folder and msconfig to open the Start | Run.

14. Use Files and Settings Transfer Wizard to move files and settings to a new computer. How, click Start | AllPrograms | Accessories | System Tools, and then run the File and Settings Transfer Wizard.

15. Use the exception of the security settings in Internet Explorer, so that the update through Windows Update page is running smoothly. How, open Internet Options in the Tools menu in Internet Explorer. Click the Security tab, select Trusted Site and click the Sites button. Fill in the name of the Windows Update site, removed the check mark on the option Require server verification ... and click OK.

16. If you lose your serial number Windows XP, use the freeware Magical Jelly Bean Keyfinder from http://www.magicaljellybean.com/keyfinder.shtml.

17. If the registered name in Windows XP does not suit you, fix the registry. Do, open the registry and select My Computer. Click the Edit | Find and type RegOwner. If you have found, right click, select Modify and fill in the appropriate name. This change can also be done in the key RegCompany.

Wednesday, February 4, 2009

Show Full Path File or Folder in the Title Bar:

If you are a Windows user and Windows XP, you'll certainly often surf with Windows Explorer in order to "explore" the files or folders on the hard drive in your computer. When we highlight (select) a folder / file, by default, Windows Explorer will show the address of the folder / file in the address bar in full path. While in the title bar, only the folder names are displayed. If you want, we can display the address of the folder / files that we are explore at the title bar. Follow the Computer Tips and Tricks below.

Display the default title bar when we 'surfing "in the Windows Explorer is as below, where the title bar is shown only folder names are not the path of the folder / files that we are explore.

To display the full path of files / folders that are on our explore title bar of Windows Explorer by changing the particular option at Folder Option :

1. Access (open) Folder Option that can be done in various ways, including:
* Open the Control Panel with the Start>> Control Panel>> Select the Folder Options applet
* Open Windows Explorer>> select the Tools menu>> Folder Option

2. After the open window and then select Folder Options tab view, it looks like the screenshot below.

3. Then check the option on the Display the full path in the title bar with a click (as in the screenshot above).

4. Then click OK or Apply

5. Done

Once we change the setting, on the title bar will display full path of files / folders that we are explore, such as below.

Tuesday, February 3, 2009

Make XP Go Faster

Services You Can Disable

There are quite a few services you can disable from starting automatically.
This would be to speed up your boot time and free resources.
They are only suggestions so I suggestion you read the description of each one when you run Services
and that you turn them off one at a time.

Some possibilities are:
Alerter
Application Management
Clipbook
Fast UserSwitching
Human Interface Devices
Indexing Service
Messenger
Net Logon
NetMeeting
QOS RSVP
Remote Desktop Help Session Manager
Remote Registry
Routing & Remote Access
SSDP Discovery Service
Universal Plug and Play Device Host
Web Client

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Cleaning the Prefetch Directory

WindowsXP has a new feature called Prefetch. This keeps a shortcut to recently used programs.
However it can fill up with old and obsolete programs.

To clean this periodically go to:

Star / Run / Prefetch
Press Ctrl-A to highlight all the shorcuts
Delete them

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Not Displaying Logon, Logoff, Startup and Shutdown Status Messages

To turn these off:

Start Regedit
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
If it is not already there, create a DWORD value named DisableStatusMessages
Give it a value of 1

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Clearing the Page File on Shutdown

Click on the Start button
Go to the Control Panel
Administrative Tools
Local Security Policy
Local Policies
Click on Security Options
Right hand menu - right click on "Shutdown: Clear Virtual Memory Pagefile"
Select "Enable"
Reboot

For regedit users.....
If you want to clear the page file on each shutdown:

Start Regedit
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\ClearPageFileAtShutdown
Set the value to 1

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No GUI Boot

If you don't need to see the XP boot logo,

Run MSCONFIG
Click on the BOOT.INI tab
Check the box for /NOGUIBOOT

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Speeding the Startup of Some CD Burner Programs

If you use program other than the native WindowsXP CD Burner software,
you might be able to increase the speed that it loads.

Go to Control Panel / Administrative Tools / Services
Double-click on IMAPI CD-Burning COM Service
For the Startup Type, select Disabled
Click on the OK button and then close the Services window
If you dont You should notice

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Getting Rid of Unread Email Messages

To remove the Unread Email message by user's login names:

Start Regedit
For a single user: Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\UnreadMail
For all users: Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\UnreadMail
Create a DWORD key called MessageExpiryDays
Give it a value of 0

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Decreasing Boot Time

Microsoft has made available a program to analyze and decrease the time it takes to boot to WindowsXP
The program is called BootVis

Uncompress the file.
Run BOOTVIS.EXE
For a starting point, run Trace / Next Boot + Driver Delays
This will reboot your computer and provide a benchmark
After the reboot, BootVis will take a minute or two to show graphs of your system startup.
Note how much time it takes for your system to load (click on the red vertical line)
Then run Trace / Optimize System
Re-Run the Next Boot + Drive Delays
Note how much the time has decreased
Mine went from approximately 33 to 25 seconds.

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Increasing Graphics Performance

By default, WindowsXP turns on a lot of shadows, fades, slides etc to menu items.
Most simply slow down their display.

To turn these off selectively:

Right click on the My Computer icon
Select Properties
Click on the Advanced tab
Under Performance, click on the Settings button
To turn them all of, select Adjust for best performance
My preference is to leave them all off except for Show shadows under mouse pointer and Show window contents while dragging

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Increasing System Performance

If you have 512 megs or more of memory, you can increase system performance
by having the core system kept in memory.

Start Regedit
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\DisablePagingExecutive
Set the value to be 1
Reboot the computer

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Increasing File System Caching

To increase the amount of memory Windows will locked for I/O operations:

Start Regedit
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
Edit the key IoPageLockLimit

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Resolving Inability to Add or Remove Programs

If a particular user cannot add or remove programs, there might be a simple registry edit neeed.

Go to HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall
Change the DWORD NoAddRemovePrograms to 0 disable it

4096 - 32megs of memory or less
8192 - 32+ megs of memory
16384 - 64+ megs of memory
32768 - 128+ megs of memory
65536 - 256+ megs of memory


Unlimited Rapidshare Downloads

Its very easy to fool Rapid Share server if your IP address is assigned by your ISP. Just follow these simple steps:
clean up IE or netscape cookie( In this case the one that belong to rapidshare website)
On Command prompt

type -----> ipconfig /flushdns <---Enter
type -----> ipconfig /release <---Enter
type -----> ipconfig /renew <---Enter
type -----> exit <--------Enter

Or save these commands in a bat file and run it everytime you need to fool Rapidshare server.Remember to clean up rapidshare cookie in your temp Internet files folder. Now you should be ready to download as many files as you want from their server. And there is this cool link: paste it in the browser and see

CODE

http://www.google.com/search?lr=&as_qdr=all&q=+.rar+OR+.zip+OR+.pdf+OR+.exe+site%3Arapidshare.de


10 reasons why PCs crash you must know

Fatal error: the system has become unstable or is busy," it says. "Enter to return to Windows or press Control-Alt-Delete to restart your computer. If you do this you will lose any unsaved information in all open applications."

You have just been struck by the Blue Screen of Death. Anyone who uses Mcft Windows will be familiar with this. What can you do? More importantly, how can you prevent it happening?

1 Hardware conflict

The number one reason why Windows crashes is hardware conflict. Each hardware device communicates to other devices through an interrupt request channel (IRQ). These are supposed to be unique for each device.

For example, a printer usually connects internally on IRQ 7. The keyboard usually uses IRQ 1 and the floppy disk drive IRQ 6. Each device will try to hog a single IRQ for itself.

If there are a lot of devices, or if they are not installed properly, two of them may end up sharing the same IRQ number. When the user tries to use both devices at the same time, a crash can happen. The way to check if your computer has a hardware conflict is through the following route:

* Start-Settings-Control Panel-System-Device Manager.

Often if a device has a problem a yellow '!' appears next to its description in the Device Manager. Highlight Computer (in the Device Manager) and press Properties to see the IRQ numbers used by your computer. If the IRQ number appears twice, two devices may be using it.

Sometimes a device might share an IRQ with something described as 'IRQ holder for PCI steering'. This can be ignored. The best way to fix this problem is to remove the problem device and reinstall it.

Sometimes you may have to find more recent drivers on the internet to make the device function properly. A good resource is www.driverguide.com. If the device is a soundcard, or a modem, it can often be fixed by moving it to a different slot on the motherboard (be careful about opening your computer, as you may void the warranty).

When working inside a computer you should switch it off, unplug the mains lead and touch an unpainted metal surface to discharge any static electricity.

To be fair to Mcft, the problem with IRQ numbers is not of its making. It is a legacy problem going back to the first PC designs using the IBM 8086 chip. Initially there were only eight IRQs. Today there are 16 IRQs in a PC. It is easy to run out of them. There are plans to increase the number of IRQs in future designs.

2 Bad Ram

Ram (random-access memory) problems might bring on the blue screen of death with a message saying Fatal Exception Error. A fatal error indicates a serious hardware problem. Sometimes it may mean a part is damaged and will need replacing.

But a fatal error caused by Ram might be caused by a mismatch of chips. For example, mixing 70-nanosecond (70ns) Ram with 60ns Ram will usually force the computer to run all the Ram at the slower speed. This will often crash the machine if the Ram is overworked.

One way around this problem is to enter the BIOS settings and increase the wait state of the Ram. This can make it more stable. Another way to troubleshoot a suspected Ram problem is to rearrange the Ram chips on the motherboard, or take some of them out. Then try to repeat the circumstances that caused the crash. When handling Ram try not to touch the gold connections, as they can be easily damaged.

Parity error messages also refer to Ram. Modern Ram chips are either parity (ECC) or non parity (non-ECC). It is best not to mix the two types, as this can be a cause of trouble.

EMM386 error messages refer to memory problems but may not be connected to bad Ram. This may be due to free memory problems often linked to old Dos-based programmes.

3 BIOS settings

Every motherboard is supplied with a range of chipset settings that are decided in the factory. A common way to access these settings is to press the F2 or delete button during the first few seconds of a boot-up.

Once inside the BIOS, great care should be taken. It is a good idea to write down on a piece of paper all the settings that appear on the screen. That way, if you change something and the computer becomes more unstable, you will know what settings to revert to.

A common BIOS error concerns the CAS latency. This refers to the Ram. Older EDO (extended data out) Ram has a CAS latency of 3. Newer SDRam has a CAS latency of 2. Setting the wrong figure can cause the Ram to lock up and freeze the computer's display.

Mcft Windows is better at allocating IRQ numbers than any BIOS. If possible set the IRQ numbers to Auto in the BIOS. This will allow Windows to allocate the IRQ numbers (make sure the BIOS setting for Plug and Play OS is switched to 'yes' to allow Windows to do this.).

4 Hard disk drives

After a few weeks, the information on a hard disk drive starts to become piecemeal or fragmented. It is a good idea to defragment the hard disk every week or so, to prevent the disk from causing a screen freeze. Go to

* Start-Programs-Accessories-System Tools-Disk Defragmenter

This will start the procedure. You will be unable to write data to the hard drive (to save it) while the disk is defragmenting, so it is a good idea to schedule the procedure for a period of inactivity using the Task Scheduler.

The Task Scheduler should be one of the small icons on the bottom right of the Windows opening page (the desktop).

Some lockups and screen freezes caused by hard disk problems can be solved by reducing the read-ahead optimisation. This can be adjusted by going to

* Start-Settings-Control Panel-System Icon-Performance-File System-Hard Disk.

Hard disks will slow down and crash if they are too full. Do some housekeeping on your hard drive every few months and free some space on it. Open the Windows folder on the C drive and find the Temporary Internet Files folder. Deleting the contents (not the folder) can free a lot of space.

Empty the Recycle Bin every week to free more space. Hard disk drives should be scanned every week for errors or bad sectors. Go to

* Start-Programs-Accessories-System Tools-ScanDisk

Otherwise assign the Task Scheduler to perform this operation at night when the computer is not in use.

5 Fatal OE exceptions and VXD errors

Fatal OE exception errors and VXD errors are often caused by video card problems.

These can often be resolved easily by reducing the resolution of the video display. Go to

* Start-Settings-Control Panel-Display-Settings

Here you should slide the screen area bar to the left. Take a look at the colour settings on the left of that window. For most desktops, high colour 16-bit depth is adequate.

If the screen freezes or you experience system lockups it might be due to the video card. Make sure it does not have a hardware conflict. Go to

* Start-Settings-Control Panel-System-Device Manager

Here, select the + beside Display Adapter. A line of text describing your video card should appear. Select it (make it blue) and press properties. Then select Resources and select each line in the window. Look for a message that says No Conflicts.

If you have video card hardware conflict, you will see it here. Be careful at this point and make a note of everything you do in case you make things worse.

The way to resolve a hardware conflict is to uncheck the Use Automatic Settings box and hit the Change Settings button. You are searching for a setting that will display a No Conflicts message.

Another useful way to resolve video problems is to go to

* Start-Settings-Control Panel-System-Performance-Graphics

Here you should move the Hardware Acceleration slider to the left. As ever, the most common cause of problems relating to graphics cards is old or faulty drivers (a driver is a small piece of software used by a computer to communicate with a device).

Look up your video card's manufacturer on the internet and search for the most recent drivers for it.

6 Viruses

Often the first sign of a virus infection is instability. Some viruses erase the boot sector of a hard drive, making it impossible to start. This is why it is a good idea to create a Windows start-up disk. Go to

* Start-Settings-Control Panel-Add/Remove Programs

Here, look for the Start Up Disk tab. Virus protection requires constant vigilance.

A virus scanner requires a list of virus signatures in order to be able to identify viruses. These signatures are stored in a DAT file. DAT files should be updated weekly from the website of your antivirus software manufacturer.

An excellent antivirus programme is McAfee VirusScan by Network Associates ( www.nai.com). Another is Norton AntiVirus 2000, made by Symantec ( www.symantec.com).

7 Printers

The action of sending a document to print creates a bigger file, often called a postscript file.

Printers have only a small amount of memory, called a buffer. This can be easily overloaded. Printing a document also uses a considerable amount of CPU power. This will also slow down the computer's performance.

If the printer is trying to print unusual characters, these might not be recognised, and can crash the computer. Sometimes printers will not recover from a crash because of confusion in the buffer. A good way to clear the buffer is to unplug the printer for ten seconds. Booting up from a powerless state, also called a cold boot, will restore the printer's default settings and you may be able to carry on.

8 Software

A common cause of computer crash is faulty or badly-installed software. Often the problem can be cured by uninstalling the software and then reinstalling it. Use Norton Uninstall or Uninstall Shield to remove an application from your system properly. This will also remove references to the programme in the System Registry and leaves the way clear for a completely fresh copy.

The System Registry can be corrupted by old references to obsolete software that you thought was uninstalled. Use Reg Cleaner by Jouni Vuorio to clean up the System Registry and remove obsolete entries. It works on Windows 95, Windows 98, Windows 98 SE (Second Edition), Windows Millennium Edition (ME), NT4 and Windows 2000.

Read the instructions and use it carefully so you don't do permanent damage to the Registry. If the Registry is damaged you will have to reinstall your operating system. Reg Cleaner can be obtained from www.jv16.org

Often a Windows problem can be resolved by entering Safe Mode. This can be done during start-up. When you see the message "Starting Windows" press F4. This should take you into Safe Mode.

Safe Mode loads a minimum of drivers. It allows you to find and fix problems that prevent Windows from loading properly.

Sometimes installing Windows is difficult because of unsuitable BIOS settings. If you keep getting SUWIN error messages (Windows setup) during the Windows installation, then try entering the BIOS and disabling the CPU internal cache. Try to disable the Level 2 (L2) cache if that doesn't work.

Remember to restore all the BIOS settings back to their former settings following installation.

9 Overheating

Central processing units (CPUs) are usually equipped with fans to keep them cool. If the fan fails or if the CPU gets old it may start to overheat and generate a particular kind of error called a kernel error. This is a common problem in chips that have been overclocked to operate at higher speeds than they are supposed to.

One remedy is to get a bigger better fan and install it on top of the CPU. Specialist cooling fans/heatsinks are available from www.computernerd.com or www.coolit.com

CPU problems can often be fixed by disabling the CPU internal cache in the BIOS. This will make the machine run more slowly, but it should also be more stable.

10 Power supply problems

With all the new construction going on around the country the steady supply of electricity has become disrupted. A power surge or spike can crash a computer as easily as a power cut.

If this has become a nuisance for you then consider buying a uninterrupted power supply (UPS). This will give you a clean power supply when there is electricity, and it will give you a few minutes to perform a controlled shutdown in case of a power cut.

It is a good investment if your data are critical, because a power cut will cause any unsaved data to be lost.