"Error 1001: An exception occurred while uninstalling": Problem Solved or Solution

 If you try to uninstall PREDATOR and get a message box with "Error 1001: An exception occurred while uninstalling":

or if you try to install a new version of PREDATOR and get a message box with "Error 1001: Could not find file C:\Program Files\Predator2\Predator CA.InstallState",   Problem Solved or Solution

then your computer is in a deadlock situation: PREDATOR is partially uninstalled and it is impossible to uninstall it completely nor to reinstall it.

This error may arise under the following conditions:

• You started to uninstall PREDATOR but the uninstaller crashed for some unknown reason while the uninstallation was in progress.
• You started to uninstall PREDATOR then you changed your mind and clicked the "Cancel" button while the uninstallation was in progress.

 Here is how to fix this issue:

Browse to "Fix problems with programs that can't be installed or uninstalled" at Microsoft's Support Site, click "Run now" and follow the onscreen prompts.