How to Fix Windows Defender error 0x8007139f on Windows 11/10

If when you endeavor to run a Microsoft Defender examine on your Windows 10 or Windows 11 device, yet the AV filter comes up short and you get the error code 0x8007139f, then this post is planned to assist you with answers for resolve the issue.

At the point when you experience this issue, you’ll get the accompanying full error message;

Windows Defender

The scan couldn’t be started.

The group or resource is not in the correct state to perform the requested operation.

Click Help for more information about this problem.

Error code: 0x8007139f

Likewise, you may get the error message beneath all things being equal, when you experience this issue.

Windows Defender

The service couldn’t be started.

The group or resource is not in the correct state to perform the requested operation.

Click Help for more information about this problem.

Error code: 0x8007139f

You’ll experience this error because of Windows Defender’s struggle with outsider security programming installed on your Windows PC. Degenerate system files could likewise trigger this error.

Fix Windows Defender error 0x8007139f

Attempt the accompanying ideas to fix Windows Defender Error code: 0x8007139f, The sweep or administration couldn’t be started, The gathering or asset isn’t in the right state to perform the mentioned activity error message in Windows11/10:

  • Run SFC check
  • Disable/Uninstall outsider security programming (if applicable)
  • Check Windows Defender Service
  • Run Microsoft Defender from the command line
  • Reset Windows Defender vault key

We should investigate the portrayal of the interaction included concerning every one of the recorded arrangements.

Before you attempt the arrangements underneath, check for updates and install any accessible pieces on your Windows 10/11 device and check whether the error reappears when you endeavor the sweep. You may likewise specifically check for and update Microsoft Defender definitions and attempt the sweep once more.

1] Run SFC check

If you have system file defilement, you may experience this Windows Defender error 0x8007139f.

The SFC/DISM is a utility in Windows that permits users to check for debasements in Windows system files and restore tainted files.

2] Disable/Uninstall outsider security programming (if applicable)

Firewall and antivirus are significant for your system security, however here and there these projects can meddle with the ordinary working of your Windows PC and cause this error to appear.

For this situation, to fix this issue, first, briefly disable any outsider security programming installed on your device. For the most part, to disable your antivirus programming, find its symbol in the notification region or system plate on the taskbar (typically in the lower right corner of the desktop). Right-click the symbol and pick the choice to disable or leave the program. When disabled, attempt the output again and if the issue endures, you’ll host to eliminate all third-gathering antivirus programs from your PC using the committed evacuation tool to eliminate all files related to your antivirus program.

Also see: How to check Network Adapter Speed on Windows 10

If this arrangement didn’t work for you, attempt the following arrangement.

3] Check Windows Defender Service

Check Windows Defender Service

This arrangement expects you to check if the Windows Defender Service is running on your Windows device. Here’s how:

  • Press Windows key + R to summon the Run box.
  • In the Run box, type services.msc and hit Enter to open Services.
  • In the Services window, scroll and find the Microsoft Defender Antivirus Service.
  • Double-tap on the section to edit its properties.

If the assistance is stopped, click the Start button. If it doesn’t begin, then ensure that the choice under the Startup type menu in the help’s properties window is set to Automatic. Affirm any exchange boxes which may appear while changing the startup type.

  • Leave Services console.
  • Restart your PC.

On boot, run the sweep once more. If the issue is as yet unsettled, attempt the following arrangement.

4] Run Microsoft Defender from order line

This arrangement expects you to just run the Microsoft Defender examination by means of the command line. If this doesn’t work it is possible that you can download and run any outsider AV programming (accepting you don’t as of now have one installed), or attempt the following arrangement.

5] Reset Windows Defender library key

This arrangement expects you to fix the Microsoft Defender library key on your Windows 10/11 PC.

Since this is a library activity, it is suggested that you back up the vault or make a system restore point as important careful steps. Once done, you can continue as follows:

  • Download the RWDRK compress file.
  • Unzip the file bundle.
  • Double-tap the RWDRK.reg file to blend it to the Windows Registry.
  • If prompted, click on Run > Yes (UAC) > Yes > OK to approve the union.
  • You would now be able to delete the .reg file if you like.
  • You would now be able to attempt the sweep again – this time it ought to finish effectively without the error.

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