Go to an administrative command prompt:
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\MSIServer" /VE /T REG_SZ /F /D "Service"
REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\MSIServer" /VE /T REG_SZ /F /D "Service"
net start msiserver
Yep, that's it.
search tag: "Windows could not start the Windows Installer service on Local Computer."
search tag: "Windows could not start the Windows Installer service on Local Computer."