Windows installer service could not be accessed


During installation, if you receive the following error message:

"The Windows Installer Service could not be accessed".

This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed.

It means your Windows installer has not been properly registered. Any attempt to install any applications that rely on this service will fail.

To correct, follow these steps:

  1. Click START in the bottom left hand corner of your desktop then click "Run".
  2. Type "cmd.exe" without using the quotes. A MS-DOS command prompt will launch.
  3. Type msiexec /unregister and press Enter.
  4. Type msiexec /regserver and press Enter.