Repair MSI (Windows Installer):

This will try to repair the Windows Installer (MSI)

The following commands are ran:

The MSI Server service is also replaced.

sc config msiserver start= demand
Net stop msiserver

MSIExec /unregister
MSIExec /regserver
regsvr32.exe /s %windir%\system32\msi.dll

Net start msiserver

