"Error 1722. There is a problem with the Windows Installer package" on Provisioning Services

When removing the Citrix Provisioning Services (PVS) Server Console from Add/Remove Programs, the following error message appears:

“Error 1722. There is a problem with the Windows Installer package.?? A program run as part of the setup did not finish as expected.?? Contact your support personnel or package vendor UnInstallAssembly location…”

Caution! Refer to the Disclaimer at the end of this article before using Registry Editor.

Complete the following steps to fix the issue:

1. Stop all Citrix?? PVS Server services.

   

2. Open the link from Microsoft site Fix problems with programs that can't be installed or uninstalled and click?? Run Now.

3. Follow Microsoft Fix It wizard to remove Citrix PVS Server.

4. When the wizard is completed, access the registry in HKEY_LOCAL_MACHINE\Software\Citrix and delete the ProvisioningServer folder.

5. In the directory, C:\Program Files\Citrix\ delete Provisioning Server Console and PVS Server folder.?? This requires a reboot of the server to prevent any active threads.

6. Reinstall PVS Server Console from the PVS Server 5.0 Service Pack 1a installation files.

When upgrading PVS?? Server 5.0 to PVS Server 5.1, two entries of Citrix PVS Server x64 will appear in Add/Remove Programs.?? On clicking the?? Click here for support information link?? on either Citrix PVS Servers x64, Citrix PVS?? Server will appear with two different versions.

When attempting to uninstall Citrix PVS Server x64 5.0.0, error message 1722 appears and the product will not uninstall.

Before upgrading to PVS Server 5.0 Service Pack 1a, uninstall the?? PVS Server 5.0 Server and console.

Caution! Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.