Sounds like your system has been compromised by faulty software or a virus. Try doing this:
Quote:
Go to Start | All Programs | Accessories
Right click Command Prompt
Choose "Run as Administrator"
In the command prompt:
sfc /scannow
|
Explanation of what this does.
--
If this doesn't work, try System Restore:
Quote:
Go to Start | All Programs | Accessories | System Tools
Choose System Restore
|
Go back to a restore point from before the problem started.