When you scan for updates on the Windows Update site, Windows XP reports:
Windows Update Error.
Windows Update has encountered an error cannot display the requested page.
NOTE: You may see two Automatic Update tabs in System Properties.
This problem will result if had a Service Pack installed and you reinstalled Windows XP without the Service Pack, or you used System Restore to restore to a date before any Service Pack was installed.
To resolve this issue, install the latest Service Pack for Windows XP.
To workaround this problem:
1. Copy /Paste the following to a NoSPWU.reg file:
2. Merge the NoSPWU.reg file with your registry, or run regedit /s NoSPWU.reg.
3. Shutdown and restart your computer.
4. Visit Windows Update and scan for changes.