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Error 1500 Another installation is in progress [FIX]
5 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Key notes
When a software installation has hung, you might get the following error message when installing a program:Error 1500. Another installation is in progress. You must complete that installation before continuing this one.
This is due either to a couple ofMSIinstallers running at the same time or an In-progress key left from an earlier installation. These are a few ways you can fix error 1500 inWindows 10.
How can I fix Windows 10 error 1500?
1. Close Background Software Processes
2. Remove the Installation Reference with the Registry Editor
Did the first fix work? If not, you can try a fix that will delete an active installation status registry reference. This is how you can fix error 1500 withthe Registry Editor.
3. Stop and Restart Windows Installer
4. Run the System File Checker Tool in Windows
The System File Checker, otherwise sfc /scannow, tool might also fix files pertaining to error 1,500. To run a system file check, press the Win key + X keyboard shortcut and selectCommand Prompt (Admin)from the menu. Entersfc /scannowinto the Command Prompt window and press Return.
That will start a System File Checker scan in the Command Prompt, which might take a while.
5. Run the Windows Update and Windows Store App troubleshooters
If this error occurs when you try to install apps from the Microsoft Store, try runningWindows 10‘s built-in troubleshooter. Go to Start > type settings > double-click on the first result.
Now, navigate to Update & Security and select Troubleshoot. Scroll down to Windows Store Apps and run the troubleshooter.
Follow the on-screen instructions to fix this problem. Go back to Troubleshoot and this time run theWindows UpdateTroubleshooter and then restart your computer.
6. Manually reset the Windows Updates Components
If the problem persists, try resetting theWindows UpdateComponents. This solution will fix corrupted or missingWindows Updatefiles. Here are the steps to follow:
Those are a few of the best fixes for error 1500. They’ll probably fix it, but you could also try a clean boot and reregistering theMSIviaCommand Prompt.
Look for any msiexec.exe processes inTask Manager, and end it. After that, you can try to run another install.
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More about the topics:Windows Installation errors
Matthew Adams
Windows Hardware Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it.
He is passionate about the tech world, always staying up-to-date with the latest and greatest. With an analytical view, he likes problem-solving, focusing on errors and their causes.
In his free time, he likes to read and write about history and tries to always develop new skills.
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Matthew Adams
Windows Hardware Expert
He is passionate about everything surrounding Microsoft’s OS, focusing on troubleshooting guides & tips for everyday problems.
