What is Trustedinstaller.exe?

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  1. Posts : 14
    Windows 7 Home Premium
       #1

    What is Trustedinstaller.exe?


    Sometimes I see exessive hard disk activity, and when i check Task Manager I find a process called TrustedInstaller.exe. I've heard it has something to do with Windows Update, but it's not installing or downloading any updates (I check this in Control Panel). It probably just is some new crap that Windows 7 has, but does anyone have any explanations to what it does and why it's there? And has anyone else ssen this in Task Manager?

    Thank you!
      My Computer


  2. Posts : 12,364
    8 Pro x64
       #2

    It's normal to be there.
      My Computer


  3. Posts : 748
    Windows 7 Professional x64 PL
       #3

    hoakman said:
    Sometimes I see exessive hard disk activity, and when i check Task Manager I find a process called TrustedInstaller.exe. I've heard it has something to do with Windows Update, but it's not installing or downloading any updates (I check this in Control Panel). It probably just is some new crap that Windows 7 has, but does anyone have any explanations to what it does and why it's there? And has anyone else ssen this in Task Manager?

    Thank you!
    TrustedInstaller.exe -it is process of Windows Modules Installer service

    from blackviper.com

    Windows 7 Services Information - Windows Modules Installer

    If this service is disabled , Missing or corrupted it cause

    -unable install updates -errror 80070424 is returned
    -unable to run SFC tool -then is returned error:
    "Windows Resource Protection could not start the repair service"

      My Computer


  4. Posts : 14
    Windows 7 Home Premium
    Thread Starter
       #4

    So it's checking for updates?
      My Computer


  5. Posts : 748
    Windows 7 Professional x64 PL
       #5

    hoakman said:
    So it's checking for updates?
    It help install updates,Windows Update check for updates
      My Computer


  6. Posts : 14
    Windows 7 Home Premium
    Thread Starter
       #6

    Hmmm.... Strange. The time it showed up was not the time it was scheduled to check for updates.

    Thanks alot for the replies!
      My Computer


  7. Posts : 1
    win 7
       #7

    installer


    is it normal for it to request multiple installations? even after I have allowed it to install, days later I get another request to install it.

    thnx
      My Computer


  8. Posts : 207
    Windows7 Pro x64
       #8

    I have the same problem. How so I stop TrustedInstaller from hogging about 25% of my CPU? (Win7 x64)
    And how can I tell if it has been taken over by a virus?

    J
      My Computer


  9. Posts : 18
    debian, mint, mx, 7
       #9

    i was getting system messages about low memory, and closing programs and losing data. when i checked to see why this was happening, i found trustedinstaller.exe using 4G memory. naturally the first thing i had to do was shut down this process. but the question remains why is windows allowing this program using such a high amount of memory
      My Computer


  10. Posts : 31,242
    Windows 11 Pro x64 [Latest Release and Release Preview]
       #10

    Trustedinstaller is a major part of the windows security systems It's a high ranking system user that holds ownership of the majority of the program files on any windows system.

    The user is placed between the regular admin level and that of the hidden administrator user so that any malware process acting with the rights of a regular tokenized admin, cannot do as much damage

    Trusteduser.exe application is used as part of this system although what it actually does is not fully available as this would compromise the security of the system.

    I do not know of a reason that Trustedinstaller.EXE should be using huge amounts of memory unless it was in an update process with a number of applications or system files.

    I would do full scans for malware to confirm that malware is not the cause and the Trusted installer should go back to normal on it's own, once it has finished it's tasks
      My Computers


 
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