Fix TrustedInstaller.exe High CPU Usage Issue

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The executable file TrustedInstaller.exe is used by a service called “Windows Module Installer” which is used for installing Windows Updates and hotfix. It runs automatically in the background and installs updates silently. Running TrustedInstaller.exe in the background is not a problem, however, the problem starts when it starts taking too much processing power, memory, and cause system freeze. If you notice that the program TrustedInstaller is running always in the background and consuming too much CPU then you must know which services is using this program and stop that service. Most of the Virus, Trojan or Malicious program using this program to download and deploy the malicious content from the internet.
 

How to Fix TrustedInstaller.exe high CPU Usage in Windows 7/8/10 and Windows Server

In process manager, if you found that the program TrustedInstaller.exe is continuously using high CPU usage and consuming 50% and more processing power, then it is an alert for you to fix this issue as soon as possible. Here, in this tutorial, I will explain most of the tested methods to fix this problem.

Method 1: Fix using Advanced System Repair Tool

Most of the time missing dll files cause this problem. Some services require specific dll file to run properly but when this file goes missing from your computer; the service goes on a deadlock situation and always run in the background. Advanced System Repair Tool scans entire PC for the problems and fix almost all the corner of the PC. It fixes missing system file issue like dll file, exe file, ocx file, sys file etc and repair registry file.

Method 2: Run Boot Time Scanning using Registered Antivirus Tool

Cleaning system using the Antivirus is not enough and you need to run Boot Time Scanning to stop TrunstedInstaller.exe if it is taking too much CPU. Almost all the antivirus has boot time scan option and you just enable it and start scanning. When you reboot your PC this scan will start and remove most of the critical services.

Method 3: Disable Automatic Updates

Windows always check for the latest updates and when it is available, it automatically starts downloading and installing in your PC. Here, TrustedInstaller.exe comes in action and completes the updates process. Sometime, due to unknown reason, updates couldn’t complete and the process trustedinstaller.exe always keeps running in the background. In this situation Disable Windows Automatic Update and reboot your system. Hopefully, you will notice that the process TrustedInstaller.exe disappear from the process manager window.

Method 4: STOP the Windows Module Installer that Runs TrustedInstaller.exe

If nothing help, then stop Windows Module Installer that runs TrustedInstaller.exe. Here is the complete guide to stop Windows Module Installer.

1. Open Run Dialog box and Type msconfig and press Enter. It will open configuration window. Go to Service Tab and find Windows Module Installer.

2. Uncheck the checkbox and click OK to save.
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3. Open Services Windows. Type services in Run Dialog box and press OK.

4. Find the Windows Module Installer and double click on it. It will open the properties window. Here, change the startup type to MANUAL and then save and exit.
stop trustinstaller
5. Reboot your PC. You will find that the process TrustedInstaller.exe has stopped and disappear from the process manager.

Method 5: Fix Registry File Problem

If there is some incorrect, missing or corrupted entries in Registry file which is directly related to Windows Update, then you might face difficulties in various time. Fixing registry file yourself is not easy and it may cause serious system problem later. You can only restore registry file if you have backed up earlier. If you don’t have a backup then use Advanced System Repair Tool to repair Registry file.

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