This article details how to uninstall PGP Desktop in Windows Safe Mode.
Warning: Incorrectly editing the registry may severely damage your system. Before making changes to the registry, you should back up any valued data on the computer. For more information on backing up the registry see the following article on the Microsoft support site:
Typically programs that are installed with Microsoft Windows Installer cannot be uninstalled in Windows Safe Mode. Although rare, it may be necessary to uninstall a PGP product in Windows Safe Mode. The Windows registry must be changed to allow the process to uninstall in Windows Safe Mode. Before making any changes to the Windows registry, a backup should be made in case recovery is needed.
Backing up the Registry:
|Note: An alternate method of opening the Windows registry is through the Task Manager. Press Ctrl+ Alt + Del and click Task Manager. Select New Task, and type regedit in the Open field, then click OK. If this does not work, booting to Windows Safe Mode may be necessary to make changes to the registry.|
The following Microsoft article allows you to backup the registry via System Restore points:
Changing the Registry to Allow Uninstalling in Safe Mode (Windows XP or Vista)
Changing the Registry to Allow Uninstalling in Safe Mode (Windows 2000)
Since Windows 2000 does not allow a registry key to be created from the command line, the following steps will explain how to create the needed registry entry manually.
Now the PGP software can be uninstalled in Safe Mode.
Booting to Safe Mode:
In order to boot into Windows Safe Mode, please see the following Microsoft Knowledge Base article: