This post fromMiniToolwill show you some information about TrustedInstaller.exe.
What Is the TrustedInstaller.exe Process?
TrustedInstaller.exe is a process of Windows Modules Installer service in Windows 10/8/7/Vista.

Its normal startup of this service is set at Manual, and it runs under the Local System Account.
It has no dependencies.
Can you disable it?
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How to disable it on Windows 11/10?
This post provides information about SearchApp.exe.
Can You Disable TrustedInstaller.exe?
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Then you may want to disable it, but dont know if you should disable it.
Some people complain that they encounter the issue of Windows could not complete the installation after update.
This post shows you the solutions.

How to Determine If TrustedInstaller.exe Is a Virus?
Sometimes, the TrustedInstaller.exe process will make your computers unusable.
Here are three methods for you to determine if it is a virus.
Once you ensure that it is a virus, you should remove it right away.
Check Your CPU Load
One method to find the TrustedInstaller virus is to check your CPU load.
you’re able to easily check your CPU performance with some tools.
If TrustedInstaller.exe is causing high CPU at all times, that means that you may have been infected.
As I have mentioned already, the legit component of Windows is found in C:Windows\servicing.
If the location is outside this range, it may be that you are dealing with malware.
The TrustedInstaller malware is very dangerous and can use your camera and microphone without your permission.
Its recommended to doSFCScan to check that that your files are in order.
Step 2:Then typesfc /scannow, wait for the process to finish and then cycle your system.
This action will repair any corrupted files, including TrustedInstaller Windows 10.
Then everything should work fine after that.
In addition, here are 3 methods for you to determine if it is a virus.