reinstalling IE7 browser

To uninstall Internet Explorer 8, follow these steps:
1. Exit all programs.
2. Click Start, and then click Control Panel.
3. Click Add or Remove Programs.
4. In the list of currently installed programs, click Windows Internet Explorer 8, and then click Remove.

Note If Windows Internet Explorer 8 is not included in the list of installed updates, you can try the alternative steps for Windows XP and for Windows Server 2003 .

5. Follow the instructions to uninstall Internet Explorer 8.
6. When the uninstall program is finished, restart your computer.

The above was taken from the Microsoft support site @ http://support.microsoft.com/kb/957700#stepsforxp

Have you considered a different browser? Firefox and Chrome are very popular and Chrome is super fast.

http://majorgeeks.com/Mozilla_Firefox_11.0_Final_d7257.html
http://majorgeeks.com/Google_Chrome_17.0.963.79_Final_d5974.html