2 Replies Latest reply on Aug 25, 2015 7:08 PM by jamesf70758505

    Lightroom 4.2 Installation Error 1500

    jamesf70758505

      Trying to install Lightroom 4.2 on Windows 10, receive the following error:

       

      Error 1500.Another installation is in progress . . .

       

      Searched whole registry for InProgress string - none found.

      Tried re-registering msiexec. Still receive same error.