Windows Defender Error Code 0x8007139f
What is Window error code 0x8007139f?
It could be a Microsoft account, Mail, Windows update, or Windows Defender error in Windows 10/11.
Today we introduce the Windows Defender error.
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The group or resource is not in the correct state to perform the requested operationalong withError code: 0x8007139f.
Besides, there may be a conflict with another antivirus program, which leads to error 0x8007139f.
What should you do when confronted with this annoying error on your PC?

Dont panic and several solutions to address this issue will be found below.
To fix this error, go to disable this program.
If you’ve got the option to, go to uninstall it viaPrograms and Featuresin Control Panel.
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How to remove remnants of uninstalled software in Windows 10?
This post will show you two methods to completely uninstall a program.
Step 1: PressWin + Xand chooseRun.

Step 2: Typeservices.mscand tap onOK.
Step 3: In theServiceswindow, locateWindows Defender ServiceorWindows Defender Antivirus Service, and double-punch it to open thePropertieswindow.
Step 4: If the service stops, press theStartbutton.
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Besides, set itsStartup typetoAutomatic.
Then, clickOKto save the changes.
Run SFC
Corrupted system files could trigger Windows Defender 0x8007139f.
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Step 1: Run Command Prompt as administrator.
How to open Command Prompt (CMD) in Windows 11?
Step 2: Typesfc /scannowin the CMD window and pressEnter.
Sometimes when you run an SFC scan, you may meet a stuck issue.
Just follow the guide to fix it -Windows 10 SFC /Scannow Stuck at 4/5/30/40/73, etc.?
So, see to it the firewall is enabled.
Step 1: Open Control Panel in Windows 11/10 and show all the items by large icons.
Then, clickWindows Defender Firewall.
The operation is not hard and do these things.
Consider that this is a registry operation, any mistaken operation could lead to system issues.
Do you know how to back up individual Registry keys Windows 10?
Now, this post will show you a step-by-step guidance to do this job.
Step 1: Get the RWDRK.zip file from the thewindowsclub site: https://www.thewindowsclub.com/downloads/RWDRK.zip.
Step 3: Double-punch this file to merge it with your Windows Registry.
Read this post to find some useful methods.
But not all the threats can be detected and removed by it.
To keep your data safe, we recommend to create a backup for crucial files besides using Windows Defender.
To do this task, run MiniTool ShadowMaker, a piece of reliable andfree backup software for Windows 11/10/8/7.
It supports file, disk, partition and system backup and recovery to meet your needs.
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe