Symptoms
The Citrix Presentation Server 4.5 installation terminates prematurely with the following error message:
"Installation ended prematurely because of an error."
When doing checking the Microsoft Installer (MSI) log file you can find following lines:
"MSI (s) (6C:40) [13:37:23:361]: Invoking remote custom action. DLL: F:\WINDOWS\Installer\MSI48C.tmp, Entrypoint: CtxComPlusAppRegister
Unknown exception
CtxComPlusAppRegister failed with error code 1603
Action ended 13:37:23: InstallFinalize. Return value 3.
MSI (s) (6C:F4) [13:37:23:673]: User policy value 'DisableRollback' is 0
MSI (s) (6C:F4) [13:37:23:673]: Machine policy value 'DisableRollback' is 0"
Cause
There is a problem with the .NET Framework as there is an unknown exception.
Resolution
See CTX113639 – The Citrix Presentation Server 4.5 Installation Effectively Hangs.
-Or-
Run a Repair of the .NET Framework in Add or Remove Programs.
-Or-
1. Uninstall the .NET Framework.
2. Install Presentation Server 4.5 using the autorun feature . This installs a fresh copy of the .NET Framework 2.0 from the Presentation Server 4.5 media.
