When attempting to reinstall or upgrade PGP Desktop, you receive an installation error or are prompted to restart the installation. Even after restarting the installation, you continue to receive the same message. This issue can occur due to a Windows Installer error.
To resolve this issue, you can use a cleanup utility to remove damaged installation files used by the Windows Installer for PGP Desktop. Upgrading the Windows Installer to the most recent version can also assist with installation issues.
To resolve PGP Desktop Windows Installer errors:
Open the Control Panel and uninstall PGP Desktop using the Add or Remove Programs tool.
Reboot your system.
Install the Windows Installer CleanUp Utility, then run the program (Start>All Programs>Windows Install Clean Up.
Select any PGP entries from the list and click the Remove button.
Delete the PGP Corporation folder from the following location:
Windows 2000, XP, Server 2003 Documents and Settings\%USERNAME%\Application Data\
Windows Vista C:\Users\%USERNAME%\AppData\Roaming\PGP Corporation\PGP
If necessary, install the most recent version of the Windows Installer.
Install PGP Desktop.
The cleanup utility and Windows Installer files can be downloaded from the links below: