How to Fix MSIExec

1. Click 'Start' then click 'Run.'
2. Type 'regedit' in the box and click 'OK.'
3. Browse to the following path using the left side of the window: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer.
4. Double-click 'ImagePath' on the right side of the window and modify the value to 'C:\Windows\System32\msiexec.exe /V.' Replace 'C' with your system drive's letter.
5. Exit the registry editor and restart your computer.
6. Press F8 just before the Windows loading logo appears and select 'Safe Mode' from the list of start-up options.
7. Repeat Step 1, type 'msiexec /regserver' and click 'OK.' Restart your computer.