How to resolve error message ‘Another installation is in progress’ when you try to install Office or start an office program

If when you try to install Microsoft Office or to start an Office program and you receive the error message:
Error 1500. Another installation is in progress. You must complete that installation before continuing this one.’, then this article may interest you.

This error occurs because two or more instances of the Msiexec.exe service cannot be launched at the same time for two different products. One install or repair process must finish before the other process can be launched.

When you click Retry, the message is displayed again. When you click Cancel, the installation stops.

To resolve this issue, restart the computer.


One response to this post.

  1. Posted by stan on May 31, 2011 at 5:54 pm

    10x 4 ur feedback


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