The windows installer service could not be accessed

Issue

Windows Installer will not work under Safe Mode, this means that programs cannot be installed or uninstalled due to The windows installer service could not be accessed

Solution

  1. Type this in a command prompt: REG ADD “HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\MSIServer” /VE /T REG_SZ /F /D “Service”
  2. And then net start msiserver This will start the Windows Installer Service.
  3. Uninstall or install the program as you normally would

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