1. Click the Tools menu, and then click Internet Options.
2. On the Advanced tab, click Reset.
3. In the Reset Internet Explorer Settings dialog box, click Reset. 
4. When Internet Explorer 7 finishes restoring the default settings, click Close, and then click OK two times. 
5. Close Internet Explorer 7. The changes take effect the next time that you open Internet Explorer 7. 

RIES restores the default settings of the following features:
• Home pages
• Search scopes
• Browsing history
• Form data
• Passwords
• Appearance settings
• Toolbars
• ActiveX controls