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. Contact your support personnel for assistance.

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 Error:

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. Contact your support personnel for assistance.

Error Message:

Causes:

  • The Windows Installer Service that is included with OS is unregistered or damaged.
  • Logged on user may not be an Administrator.
  • The user may not have sufficent permissions to install the software.
  • Make sure that the Windows Installer service status should be “Started” & startup type is “Automatic”.

Solution 1: Re-register the Windows Installer

  • Click Start, Open command prompt as Administrator,
  • type msiexec.exe /unregister
  • Click Enter to Unregister.
  • type msiexec /regserver
  • Click Enter to Register.

Solution 2: Give Full Control permission to the SYSTEM account

  • Open [C:\Windows] right click System32 folder > Properties > Security >
  • Select “SYSTEM” & give Full control permission.

Solution 3:

Configure the status of windows installer service to Stopped & startup type to Disabled. Restart the system & change startup type to Manual and try installing again.

Solution 4:

  • Navigate to C:\Windows\System32 folder
  • Rename the folowing file names- msi.dll,msiexec.exe and msihnd.dll.
  • Restart the computer and install windows installer 3.1 or latest version