1. Open Internet Explorer 7.
2. Click Tools, and then click Internet Options.
3. Click the Advanced tab.
4. Under Reset Internet Explorer Settings, click Reset.
Click on the blue Vista start button.
In the "Start Search" box type: CMD
When the Command Prompt appears, right-click on it
and select "Run as administrator", then type: SFC /SCANNOW
in the Command Prompt window and hit Enter.
