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Error 1500: Another installation is in progress. You must complete that installation

 When installing or uninstalling QuickBooks Desktop, one of the following errors occur:

Error 1500: Another installation is in progress. You must complete that installation before continuing this one.

Error 1500: Another application of QuickBooks is running.

Why this is happening

This may be caused by a pending operation (requires system restart) or because a second instance of the install file (msiexec.exe) is running.

How to fix it

Intuit recommends more than one solution to fix this issue. The first step may fix this issue. For best result, please follow the steps in order shown below.

KB ID# SLN41304
12/7/2016 2:07:11 PM
QYPPRDQBKSWS03 9138 Pro 2017 d9ad52