Error 1721 There is a problem with this Windows Installer Package – Windows 8.1

Error 1721.There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor

I had trouble uninstalling a program from Windows 8.1 and the above message showed. For a change I did not end up having to use any Third-Party tools to solve this problem. Microsoft has a useful tool which will help resolve Install and Uninstall issues related to Microsoft Installer

Using below link will guide you through


Strangely, Microsoft does not link the Error 1721 to this post. If it did, I wouldn’t have to write this post

Happy troubleshooting 🙂