Sometimes, when you try to install a program in Windows 11/10, you may receive the following error message and you will be unable to proceed with the installation:
Another installation is already in progress, Complete that installation before proceeding with this install.
What is a Software Installation?
It is the process of adding a new program to a Windows PC or any OS. During the process, new files are copied to the targeted location, DLLs and services are registered, and so on. Once the process is complete, it can automatically launch or keep running in the background. Everything depends on the software. Lastly, every installer also comes with an uninstaller registered with the OS.
Another installation is already in progress
If you receive this message, the probable cause could be that another installation, repair, or uninstallation process is actually running. If so, wait for it to complete, then try again. If no such process is running, here are a few steps you may want to try:
- Restart PC and try
- Clear Disk Space
- Scan PC for malware
- Check the status of Windows Installer Service
- Install in Clean Boot State.
Let us take a look.
Programs won’t install
1] Restart PC and try
Restart your computer, then try installing it again.
2] Clear Disk Space
Run Disk Cleanup utility or CCleaner to clean up temporary files.
Related: Cannot install or uninstall programs in Windows
3] Scan PC for malware
Scan your PC with your anti-virus and anti-spyware.
4] Check the status of Windows Installer Service
If you still receive the same error message, do the following:
Type services.msc in the Start menu and hit enter to open Services Manager.
Scroll down to the Windows Installer Service and double-click on it.
Stop the Service and then Restart it.
Related: Another instance is already running in Windows 11
5] Install in Clean Boot State
Perform a Clean Boot and try to install the program.
Now try to install the program. It should help.
Related reads:
- There is a problem with this Windows Installer package
- Please wait until the current program is finished uninstalling or being changed
- This installation package could not be opened.
Why is my software not installing in Windows?
The main reasons software may not install on your Windows PC include compatibility issues, architecture differences (32-bit vs. 64-bit), insufficient permissions, corrupted system files or an installer, etc. It could also be specific to the software. If none of these are the problem, you can contact the developer to see whether you need to install additional or supporting apps.
