Method 1: Close Background Processes There may be plenty of applications that run in the background.
Method 2: Run Windows Update Troubleshooter
Method 3: Disable Startup Apps and Services
Method 4: Run Malware Scans
Method 5: Restart Windows Installer Service
Method 6: Reset Update Components
Method 7: Repair System Files
Method 8: Modify Registry Editor
There have been reports of Windows 10 clients getting the Err0r 1500 error. The other case is literally the installation process. The error is traditionally displayed as “Error as 1500”. The other is undoubtedly the current setup. You really need to complete this installation before moving on to the previous one.
Instead, try to get the error “Error 1500. Another error has occurred. You must complete a full installation before continuing with this user.” This can also happen during the download process. What makes every problem so annoying is that you don’t have another installation running.
The registry file may retain the value of a previous installation. Therefore, when you install a new copy, your company computer thinks the software is already installed. Even if you restart your computer several times, you will still get the same error. How do I restore another running installation? First, you need to save the corrupted registry files.
How do I fix error 1500 another installation in progress Windows 10?
How to resolve error code 1500 in Windows 10:
- Close conflicting background processes.
- Disable the installation using the registry editor.
- Restart Windows Installer.SFC.
- Run (System File Checker) and run a DISM scan.
- Troubleshoot Windows software from the Windows Store and update it.
- Reset manually because Windows contains update components.< /li>
How do I fix error 1500 another installation in progress Windows 7?
How to fix “Error 1500 – Another installation in progress”?
How do I fix error 1500 Another installation is in progress?
How to fix “Error 1500 – Another installation in progress”?
- Close the conflicting background processes.
- Disable checkset using Registry Editor.
- Restart Windows Installer.
- Run a DISM SFC (System File And Checker) scan.
- Troubleshooting for the Windows Store and the Windows Update app.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.