If you have 3rd party zip tools installed, like WINZIP, Windows XP's built-in zip support may interfere.
To disable the built-in zip support:
1. Open a CMD prompt, or Start / Run.
regsvr32 /u %windir%\system32\zipfldr.dll
3. Press Enter. 4.
You should receive a successful confirmation.
5. Shutdown and restart your computer.
NOTE: To re-register the zipfldr.dll library, use: