Repair MSI (Windows Installer)
Note This repair is no longer updated or supported, but is updated as part of Windows Repair - http://www.tweaking.com/content/page/windows_repair_all_in_one.html.
Because of possible registry changes in modern operating systems, the use of these legacy apps is at your own risk.
2.8.8 - For all versions of Windows
- Mirror #1 MajorGeeks.com
This will try to repair the Windows Installer (MSI).
The following commands are run:
sc config msiserver start= demand
Net stop msiserver
MSIExec /unregister
MSIExec /regserver
regsvr32.exe /s %windir%system32msi.dll
Net start msiserver
Tagged as: (Windows, Installer), Repair
Because of possible registry changes in modern operating systems, the use of these legacy apps is at your own risk.
2.8.8 - For all versions of Windows

This will try to repair the Windows Installer (MSI).
The following commands are run:
sc config msiserver start= demand
Net stop msiserver
MSIExec /unregister
MSIExec /regserver
regsvr32.exe /s %windir%system32msi.dll
Net start msiserver
Tagged as: (Windows, Installer), Repair