What is the TrustedInstaller Error Message & How Can It be Avoided

What is the TrustedInstaller? It happens sometimes that when you try to delete certain files from your computer, you might receive an error message stating that “You require permission from TrustedInstaller”. This can be quite frustrating at times. What is the TrustedInstaller Error Message

You might be thinking, what is TrustedInstaller, and is it a Virus? We will explain everything you need to know about TrustedInstaller in this article. Please read on.

What is the TrustedInstaller.exe process?

TrustedInstaller.exe is a process of Windows Modules Installer service in Windows 10/8/7/Vista. Its main function is to enable installation, removal, and modification of Windows Updates and optional system components

TrustedInstaller.exe is located at C:\Windows\servicing\and its normal startup of this service is set at Manual, and it runs under the Local System Account. It has no dependencies.

At times you may find that TrustedInstaller.exe has been corrupted, and you may bet an error message to that effect. In such a case running the System File Checker may help. But sometimes even the Windows Resource Protection service, which runs the system file checker is affected. In such a case if you try to run sfc /scannow, you may get the error message – Windows Resource Protection could not start the repair service.

In such a case you may have to Repair Windows 7 or Refresh Windows 10/8.

Is TrustedInstaller exe a virus?

TrustedInstaller.exe is a process that belongs to Windows Modules Installer and one of the core components of Windows Resource Protection. It’s included in every version of Windows since Vista.

Is TrustedInstaller exe a virus?

Its main purpose is to install and modify Windows updates and other optional system components with a high impact on your computer. You can easily locate it in C: Windows\servicing and its size is usually around 100-200 KB.

Because TrustedInstaller is a legit Windows component, you don’t need to uninstall it or change it in any way. Most of the time you won’t even notice it.

Keep in mind that removing or modifying it in any way may cause some functions of Windows to simply stop working, and this could lead to bigger problems.

Deleting The Windows.Old Folder

If you’re trying to delete the C:\Windows.old folder after upgrading to a new version of Windows and you’re seeing a message saying you need permission from TrustedInstaller, you don’t need to take ownership of the files at all. You just need to use the Disk Cleanup wizard.

To open the Disk Cleanup wizard, press the Windows key and type Disk Cleanup. On Windows 7, click the Disk Cleanup shortcut that appears in the Start menu. On Windows 8, click the Settings category and select the “Free up disk space by deleting unnecessary files” shortcut.

Click the Clean up system files button in the Disk Cleanup window.

If you have a Windows.old folder on your hard drive, you’ll see a “Previous Windows installations” checkbox in the list of system files you can delete. Enable the option and click OK. Windows will delete the Windows.old folder for you – ensure you’ve copied any important files out of it before running Disk Cleanup on it.


Taking Ownership Of Files

Warning – the TrustedInstaller user account owns your system files. If TrustedInstaller is preventing you from renaming or deleting a folder, it’s often for a good reason. For example, if you rename the C:\Windows\System32 folder, your operating system will stop functioning and will need to be repaired or reinstalled.

Taking Ownership Of Files

You should only take ownership of system files and rename, delete, or move them if you know what you’re doing. If you do know what you’re doing, follow the instructions below to take ownership of the files.

Locate the folder or file you want to take ownership of, right-click it, and select Properties.

Click the Security tab in the properties window and click the Advanced button near the bottom.

Click the Change link next to TrustedInstaller to change the owner.

Type Administrators into the box and click the Check Names button. Windows will automatically complete the rest of the name. This gives ownership to all administrators on the system. Click the OK button to save this change.

Enable the “Replace owner on subcontainers and objects” setting if you want to apply these changes to all subfolders and files in them. Click the OK button at the bottom of the Advanced Security Settings window.

Click the Edit button in the properties window.

Select the Administrators user and enable the Full Control checkbox to give administrator accounts full permissions to the files.

Click the OK button twice to save your changes. You now have the ability to rename, delete, or move the files as you please.

If you find yourself regularly taking ownership of files, you may want to download a .reg file that will add a “Take Ownership” option to your right-click menu [Broken URL Removed]. You’ll be able to take ownership of files and folders with a few quick clicks.

We sincerely hope that this article satisfies its purpose of resolving your search query and that it gives you all the information you seek. It would be best if you posted a comment if you have any further queries.

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