TrustedInstaller locks files - how to unlock them

In some cases the Windows service TrustedInstaller may lock files even though you don't want it to. This is annoying, but in a few steps you can unblock the locked content yourself. Do not disable the service permanently, as it keeps Windows updates running smoothly.

TrustedInstaller locks files: how to disable it temporarily

1. If the TrustedInstaller program locks files, this problem is easy to fix. First, test whether it is enough to restart the computer or update Windows.
2. If the files are still locked, disable the service TrustedInstaller briefly.
3. Under "Control Panel" navigate to "System and Security" to "Administrative Tools".
4. Under "Services" you will find the service "Windows Modules Installer" in the list.
5. Stop this service and try again to access the locked files.
6. If the problem still exists, select the option "Startup type" and further "Disabled" for "Windows Modules Installer". Confirm this selection and then restart your PC.

TrustedInstaller: Re-enable!

Do not leave the Windows service permanently disabled in any case. This way, you will avoid the occurrence of faulty Windows processes.If Windows Modules Installer ever fails to work, simply change the startup type to "Automatic". This problem solution is valid for every Windows version.