If you're receiving the following message from Yahoo! Anti-Spy and cannot run Yahoo! Anti-Spy:

"The installation of the scanning component required by Anti-Spy has been changed. Please update this Anti-Spy installation."

this means there was a problem when Yahoo! Anti-Spy last updated itself. Please remove and reinstall Yahoo! Anti-Spy by doing the following:

1. Click the Windows "Start" button.
2. Select "Control Panel" from the "Settings" menu.
3. Click "Add/Remove Programs".
4. Scroll down and click "Yahoo! Anti-Spy".
5. Click "Change/Remove" to remove Yahoo! Anti-Spy.
6. Close the Control Panel and "Add/Remove Programs" windows.

To reinstall Yahoo! Anti-Spy, simply select "Run Anti-Spy" from the Anti-Spy button on the Yahoo! Toolbar and follow the instructions to download and install.

When Yahoo! Anti-Spy is installed, you should be able to run Yahoo! Anti-Spy without any errors or warnings by clicking "Run Anti-Spy" under the Anti-Spy button.