It would appear that you have corruption in your critical operating system files.
First update and scan your computer with your security products such as antivirus and antispyware applications in Safe Mode. If your computer comes up clean after running your resident security products, you may want to consider running a System File Checker (SFC). This can also be run in Safe Mode should you prefer.
To get into Safe Mode, reboot and then either hold down or tap the F8 key repeatedly while the computer is starting up. To run SFC, close all applications such as Office, Messenger, Email, etc, and go to:
- Start
- Run
- Type in sfc /scannow (include the space before the " / ")
What SFC does is that it attempts to fix or replace critical operating system files. Sometimes this can be done without the installation disk, however it may prompt you for the appropriate operating system installation disk. If that is the case, then you know that you definitely have major file corruption or something missing. Insert the disk if prompted. Also you should run SFC using the Administrator account.
If you have the Vista operating system, the steps are a bit different due to the UAC. See the link below.
http://vistasupport.mvps.org/system_file...
Don't surf, play games or do anything while SFC runs. After it is completed, reboot your computer.
One of the major culprits in missing or corrupt operating system files is running a registry cleaner or optimizer. They can flag important shared files for deletion or cleanup. Another cause is malware.
NOTE: Before running any registry cleaner or editing the registry, always ensure you back it up first. If the registry cleaner you are using doesn't have that function, you can do it manually. http://support.microsoft.com/kb/322756
First update and scan your computer with your security products such as antivirus and antispyware applications in Safe Mode. If your computer comes up clean after running your resident security products, you may want to consider running a System File Checker (SFC). This can also be run in Safe Mode should you prefer.
To get into Safe Mode, reboot and then either hold down or tap the F8 key repeatedly while the computer is starting up. To run SFC, close all applications such as Office, Messenger, Email, etc, and go to:
- Start
- Run
- Type in sfc /scannow (include the space before the " / ")
What SFC does is that it attempts to fix or replace critical operating system files. Sometimes this can be done without the installation disk, however it may prompt you for the appropriate operating system installation disk. If that is the case, then you know that you definitely have major file corruption or something missing. Insert the disk if prompted. Also you should run SFC using the Administrator account.
If you have the Vista operating system, the steps are a bit different due to the UAC. See the link below.
http://vistasupport.mvps.org/system_file...
Don't surf, play games or do anything while SFC runs. After it is completed, reboot your computer.
One of the major culprits in missing or corrupt operating system files is running a registry cleaner or optimizer. They can flag important shared files for deletion or cleanup. Another cause is malware.
NOTE: Before running any registry cleaner or editing the registry, always ensure you back it up first. If the registry cleaner you are using doesn't have that function, you can do it manually. http://support.microsoft.com/kb/322756
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