TrustedInstaller.exe is the Windows Module Installer program used in the Windows Vista operating system. The process works in conjunction with Windows Integrated Update in Windows Vista. The program is known to run randomly and consume up to 100% of CPU causing dramatic slowdown in the performance of a Windows Vista computer. Trustedinstaller.exe holds the rights to some essential Windows Vista programs and applications, which means that trustedinstaller.exe gets blanket authority to do whatever is necessary and use as much of the system resources, CPU and RAM as needed.
After a program or application is trustedinstaller.exe approved, Windows Vista considers it as an essential system resource and Windows gives it as much CPU as required.
How to Fix High CPU Usage Problem Caused by TrustedInstaller.exe
Let’s have a look at some of the methods that you can use to resolve the issue:
Method 1: Clear Problem History
The following fix is intended for situations where trustedinstaller.exe causes problems due to the Problem Reports and Solutions history maintained in Windows Vista.
A variation to this fix is to click Change in the Problems Reports and Solutions Window. And then modify the configuration from Check for solutions automatically setting to Ask me to check if a problem occurs.
Method 2: Change Microsoft Update Startup Settings to Manual
Method 3: Disable Automatic Update
Method 4: Stop the Windows Module Installer That Runs Trustedinstaller.exe
Method 5: Install Windows Vista Service Pack 1
Upgrade to Windows Vista Service Pack 1. This seems to be a bug that has been fixed in the Windows Vista SP1 release.
To ensure that the trustedinstaller.exe process running on your computer is not a malware disguised as a legitimate file, it is recommended that you use efficient antivirus and antispyware tools to perform a thorough scan of your PC. It is also a good idea to scan and repair your registry using a good registry tool, such as RegGenie. This will help you eliminate any issues that may generate due to registry problems.
Driver Update: Some EXE errors are related to driver problems such as obsolete, outdated or incompatible drivers. A driver update tool is recommended to scan your system for corrupted and outdated drivers and to ensure that all your drivers stay up-to-date.
Statistics show there is a 94% chance that your computer has system errors.
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