If that fails, try this. (unless you already have)
Note: You may have to re-download the installer.
How To Uninstall:
To Increase Stealth, KeyProwler is designed so that it cannot be uninstalled via Windows Add/Remove Programs, the only way KeyProwler can be removed is by using the same installer that is used to install KeyProwler.
To Uninstall KeyProwler:
1. Run KeyProwler Installer that you downloaded. Just as if you were going to reinstall the program.
2. Click "Next" At the Welcome Screen
3. The user is presented with 3 Options, choose "Remove" and click "Next"
4. KeyProwler is now removed from the system.