Internet Explorer 6.x for Windows XP:
Click Start > Run
Type sfc /scannow
Click OK
SFC will start scanning your computer for corrupt files.
If it finds a file it needs to replace, it may ask for your Windows XP CD-ROM. You must insert it into your CD-ROM Drive and press Retry.
Reboot the computer when System File Checker completes.
Internet Explorer 5.x:
Method 1:
Go to your Control Panel > Double-click Add/Remove Programs
Click on the Install/Uninstall tab or the Change/Remove Programs button.
Find and Select Microsoft Internet Explorer 5 and Internet Tools.
Click Add/Remove
Select the Repair Internet Explorer option.
Click Yes
When it ask you to Reboot, click Yes.
Method 2:
Select Start > Run > Type msinfo32.exe, and then click OK.
Click Tools > Internet Explorer Repair Tool.
You can also just clear temp files.
Reset Browser Settings:
Internet Explorer:
Click Tools > Internet Options.
Click the Programs tab > Click the Reset Web Settings button.
Uncheck Also Reset my Homepage > Click YES > Click OK.
Click the Advanced tab > Click Restore Defaults.
Click OK.