The replacement of essential system files, registry keys, and folders are installed as part of the operating system is restricted by Windows Resource Protection (WRP). It became possible starting with Windows and restricts to TrustedInstaller and give Permission for complete access to adjust WRP-protected resources.

WRP-protected resources can be modified using the Supported Resource Replacement Mechanisms with the Windows Modules Installer service and check the application and operating system crashes.

TrustedInstaller is a process for Windows Modules Installer service in Windows and is used to permit installation, replacement, and modification of Windows Updates and optional system elements.

When you find that TrustedInstaller.exe has corrupted, you may receive an error notification then System File Checker may help you. Sometimes the Windows Resource Protection service, which runs the System File Checker (SFC), is affected.

If you are getting this problem and trying to run the SFC /scan now command, then you may receive the error message showing: “Windows Resource Protection could not start the repair service.”

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In this article, you will get reasonable solutions for this query. You have to understand the given guidance and try if this helps you to resolve the “Windows Resource Protection could not start the repair service” error while trying to run the System File Checker.

  • Enable Windows Modules Installer Service
  • Run System File Checker In Safe Mode
  • Run DISM Scan

 

Enable Windows Modules Installer Service

Windows Services ( services. msc) are used to adjust how Windows services operate on your system and are liable for controlling available programs and running various computer settings and devices. You may use a service’s settings for protection, troubleshooting, and performance-related issues.

You have to obtain the Windows Installer service that allows modification, installation, and replacement of Windows updates and temporary elements. If it is blocked, install or uninstall your Windows updates that might crash on your system.

To run the Windows Modules Installer setting:

  • Type Run in Search
  • Click the Run result.
  • Then type “services. msc” in the Run dialogue box
  • Then click “OK” to run Windows Services.

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  • Double-click on Windows Modules Installer that the services window will display.

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  • Switch to the General tab from the general Settings panel
  • Then the Startup type is set to manual.
  • Click on OK and then press Apply.

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You can also try to allow the TrustedInstaller by using Command Prompt and its controls and is run to perform entered commands. Most of them are used to complete tasks through texts and batch files, complete advanced administrative roles, troubleshoot and resolve various Windows problems.

To apply Command Prompt, you have to enter a correct command with any optional parameters.

Many commands are available in Windows command that you can operate from an advanced Command Prompt. It implies that you have to run it with administrator-level privileges. You will receive a notification that access is disabled.

You have insufficient privileges to execute a command that demands administrative rights from an ordinary Command Prompt.

To open Command Prompt:

  • Type command prompt in Search
  • Then right-click on the Command Prompt
  • Select Run as administrator to run Command Prompt with administrator privileges.

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Now you will require to administer several commands:

  • Type sc config trusted installer start=demand
  • Press Enter on your keyboard.
  • Then type net start trusted installer.
  • Press Enter on your keyboard again.
  • You can open the System File Checker on your system and understand if you are still receiving the “Windows Resource Protection could not start the repair service” error.

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Run System File Checker In Safe Mode

It would help if you had to try another thing is to run the System File Checker in Safe Mode, i.e., start-up mode in Windows operating systems applied to get restricted access to Windows when the working system does not start or run regularly.

To boot into Safe Mode, troubleshooting a computer is one of the most common steps that starts Windows in an initial state, using a limited set of data and drivers. It may support troubleshoot problems on your system.

Suppose the problem does not happen in Safe Mode, then this will prove that the default settings and helping device drivers are not creating the problem.

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Run DISM Scan

To improve and fix Windows images, including the Windows Recovery Environment, Windows Setup, and Windows PE, Deployment Image Servicing and Management (DISM) is used. To run a DISM scan:

  • You need to open Command Prompt again as administrator.
  • Type in the command: DISM /Online /Cleanup-Image /restorehealth.
  • Press Enter on to execute it.
  • If this resolves, the “Windows Resource Protection could not start the repair service” error while running the System File Checker.

Hope this article was helpful for you trying to solidify the “Windows Resource Protection could not start the repair service” error, and now you can run the System File Checker without any difficulties.

Frequently Asked Questions

How do I boot up in safe mode?

To boot into Safe Mode, troubleshooting a computer is one of the most common steps that starts Windows in an initial state, using a limited set of data and drivers. It may support troubleshoot problems on your system. Suppose the problem does not happen in Safe Mode, then this will prove that the default settings and helping device drivers are not creating the problem.

How do I force Windows recovery mode?

For the Windows Recovery Environment, You have to open Command Prompt again as administrator and type in the command: DISM /Online /Cleanup-Image /restore health, then Press Enter to execute it.

What do I do when Windows System Restore doesn’t work?

Try an Alternative System Restore Point and Run System Restore From Safe Mode; your first port of call should be Safe Mode, then Configure System Restore Disk Space Usage. Now assure System Restore Points Are Being Designed and then Reinstall, Reset, or Repair Windows.

How can I reset Windows 10 before booting?

It is included in Windows 10 and is the best method to reset a system for various people. To obtain it, head to Settings > Update & Security > Recovery. You’ll see a Reset on your PC header and click the Get started button.

How do I force the windows images to recovery?

To improve and fix Windows images, including the Windows Recovery Environment, Windows Setup, and Windows PE, Deployment Image Servicing and Management (DISM) is used. To run a DISM scan: You need to open Command Prompt again as administrator, then type in the command: DISM /Online /Cleanup-Image /restore health and Press Enter to execute it.