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9 Ways to Fix Windows Installer Service Can’t be Accessed
Apple these solutions to fix the Windows Installer Service can’t be accessed issue
7 min. read
Updated onMarch 20, 2024
updated onMarch 20, 2024
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We all have all sorts of applications that we use daily installed on our Windows 10 PCs. Unfortunately, a few users reportedWindows Installer Service could not be accessederror while trying to install new applications.
This sounds rather serious, but always a way to fix this error. This guide will give you a bunch of solutions to help you resolve the problem.
Why is Windows Installer not working?
Here are some of the common reasons for Windows Installer not working issue.
How can I fix Windows Installer Service could not be accessed error on Windows 10?
1. Reset the Windows Installer Service registry
With registry backup created, you need to create a .reg file and add it to the registry. To do that, follow these steps:
After you’ve added repair.reg to the registry, try to install the problematic application again and check if theWindows Installer Service could not be accessederror appears.
2. Start the Windows Installer Service manually
To check if the Windows Installer Service is running, you need to do the following:
3. Re-register Microsoft Installer Service
4. Use regsvr32 command
5. Use SFC and DISM commands
Once the scan is finished, check if the problem persists. If the issue is still present, or if you could not run an SFC scan, you might have to use a DISM scan instead. To do that, follow these steps:
Once the scan is done, check if the issue persists. If you were unable to run the SFC scan before, or if the SFC scan was unable to fix the problem, repeat it and check ifWindows Installer Service could not be accessederror is still there.
Third-party softwarethat can do this process automatically might be an easier and more reliable solution.
6. Uninstall the older version of the program you wish to install
If you already have the older version of the program you want to install on your computer, we advise you to remove that version from your PC before trying to install the newer version.
This is a simple solution, but it might work for you, so be sure to try it out.
If you can’t remove a particular application due toWindows Installer Service could not be accessederror message, you might be able to solve the problem simply by using an uninstaller software.
In case you’re not familiar, uninstaller software is an application that can remove any application from your PC.
In addition to removing applications, these tools will also remove all files and registry entries associated with the application you want to remove.
There are many options available, you can certainly find thebest uninstaller softwarethat fits your budget and specific needs.
7. Install Windows Installer Redistributable
8. Delete the duplicated msiexec file
After doing that, you just need to go to the Services window and restart the Windows Installer service.
9. Change Remote Procedure Call service settings
How can I fix Windows Installer Service could not be accessed on Windows 11?
Can I disable Windows Installer?
Windows Installer Service could not be accessederror messages can create a lot of problems, but we hope that some of our solutions were helpful to you.
If you have any more questions or suggestions, feel free to leave them in the comments section below.
More about the topics:Windows Installation errors
Milan Stanojevic
Windows Toubleshooting Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.
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Milan Stanojevic
Windows Toubleshooting Expert
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.
