Error 1721: there is a problem with this windows installer package

Error Message

When uninstalling ArcGIS Desktop, the following error appears:

"Error 1721: there is a problem with this windows installer package."

Cause

This error occurs when the installation of ArcGIS Desktop has become corrupt.

Solution or Workaround

1. Insert the ArcGIS Desktop installation disk.
2. Navigate to Start > Control Panel > Add/Remove Programs.
3. Select ArcGIS Desktop from the list and click Change.
4. Select the Repair option.
5. Complete the ArcGIS Setup wizard to run a repair.
6. Uninstall ArcGIS Desktop by way of Add/Remove Programs in the Control Panel.