Enable the Service

• 1). Press the "Windows" and "R" keys simultaneously. This opens a "Run" box on your screen.
  
  
• 2). Type "Services.msc" in the "Open" field and click the "OK" button. This opens the services manager.
  
  
• 3). Right-click "Windows Installer" and click "Properties."
  
  
• 4). Click in the "Startup Type" drop-down menu and click "Manual."
  
  
• 5). Click the "Apply" button to save
  
  

Correct Registry File Path

• 1). Press the "Windows" and "R" keys simultaneously.
  
  
• 2). Type "Regedit" in the "Open" box and click the "OK" button.
  
  
• 3). Navigate to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver" in the left pane. This displays entries related to the installer engine service on the right pane.
  
  
• 4). Right-click "ImagePath" and click "Modify." This opens an "Edit String" dialog box.
  
  
• 5). Type or paste "%systemroot%\system32\msiexec.exe /V" into the "Value data" box and click the "OK" button.
  
  

Unregister and Re-register the Install Engine

• 1). Press the "Windows" and "R" keys simultaneously to display a "Run" box.
  
  
• 2). Type or paste "MSIEXEC /UNREGISTER" and press the "Enter" key. This causes the "Run" box to disappear.
  
  
• 3). Press the "Windows" and "R" keys again to redisplay the "Run" box.
  
  
• 4). Type or paste "MSIEXEC /REGSERVER" and press the "Enter" key. The "Run" box should disappear.
  
  
• 5). Restart your computer to allow all changes to take effect.