Error 1719. The Windows Installer Service could not be accessed

  • Article ID: 62212
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  • Updated: 08 Apr 2016


During an install or uninstall the following error is seen:

Error 1719. 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.

First seen in
Sophos Anti-Virus for Windows 2000+

Operating Systems
Windows XP
Windows Server 2003


This problem can occur if one of the following conditions is true:

  • The Windows Installer files that are on your hard disk are damaged or are missing.
  • You install or remove a program that uses the Windows Installer Microsoft Software Installation (MSI) package file (.msi).
  • You have MS update KB3139923 installed, which broke the MSI Installer: 

What To Do

Follow the recommended steps in the following Microsoft article:

If you need more information or guidance, then please contact technical support.

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