Windows Defender is a free tool provided by Microsoft on Windows 8 and Windows 10 in order to protect systems from external threats, including malware and spyware. So, it is quite useful for Windows users, since it eliminates the need to download additional third-party software for your protection.
Err0r 0x8007139f regularly the following message appears “The group or resource is not in the correct state to perform the requested operation”.
Reasons behind error 0x8007139f:
The main reason that seems to be the ultimate cause of this problem with Windows Defender is its conflict with other installed security programs. This conflict causes the defender program to stop running. The other reason is that the corrupted files inside the system infect the defense program and stop working..
Solution to fix this error 0x8007139f:
Various solutions can be used to get Windows Defender working again. As I mentioned in the reasons for this error message, the best solution to fix this problem would be to disable third party antivirus. Follow the steps mentioned below.
Method n. ° 1: turn on the firewall and set Windows Defender to automatic
1. If you have a third-party antivirus installed, as well as a firewall, you may need to disable it. Additionally you must make sure that the Windows firewall is enabled. You can enable it within the Control Panel. To do this, go to Control Panel by pressing Win + X and select it from the list. Inside the control panel, click Windows Firewall and click Turn Windows Firewall on or off in the left pane. In the next window, turn on the firewall and press OK below.
2. Now, search for the Windows Services panel by typing msc in Cortana's search field. Right-click on the program that appears in the search result and run it as administrator.
3. After opening Services, Look for Windows Defender in the listing and check if the Status column is blank or not. If it's blank, right-click on Windows Defender and select Start. If it doesn't start, change startup to automatic and restart the computer again. Check whether the problem persists or not.
Method n. ° 2: verify Windows Defender service
Sometimes, This error may arise due to the interruption of the Windows Defender service or this service may also be missing from the services within Windows. Then, to verify it, follow these instructions accordingly.
1. Search the Windows Services panel by typing msc in Cortana's search field. 2. Right-click on the program that appears in the search result and run it as administrator.
2. After opening the Services, Look for Windows Defender in the listing and check if the Status column is blank or not. If it's blank, right-click on Windows Defender and select Start. If it doesn't start, change startup to automatic and restart the computer again. Check whether the problem persists or not.
Method n. ° 3: fix Windows Defender registry keys
If the Windows Defender service cannot be stopped or restarted, you may need to correct the registry keys. Follow these steps to repair the registry keys associated with Windows Defender.
Note: be sure to backup the registry key before repair procedure. To back up a key, open the Registry Editor by typing regedit in the search box and open it as administrator. Select the registry you want to back up and click File> To export. Save this .reg file anywhere on your hard drive or external storage and you're done.
1. When a log file is backed up, follow the steps below to fix this error. Open notepad by searching within cortana and save this notepad file as reg within any local disk on your hard drive. Make sure to choose All Files (*. *) In the drop-down menu labeled Save as type. In my case, I'm keeping it inside D. It would be like »D: fix.reg».
2. Copy the following lines of code and paste them into the notepad file that you created and saved previously.
Code:
Windows Registry Editor, version 5.00
[HKEY_LOCAL_MACHINENSYSTEMN-Service Stream ControlNWinDefend]
“DisplayName” = “@% ProgramFiles% NWindows DefenderN-MsMpRes.dll, -103”
“ErrorControl” = dword: 00000001
"Group" = "COM Infrastructure"
“ImagePath” = hex (2): 25,00,53,00,79,00,73,00,74,00,65,00,6d, 00,52,00,6f, 00,6f, 00,
74,00,25,00,5c, 00,53,00,79,00,73,00,74,00,65,00,6d, 00,33,00,32,00,5c, 00,73,
00,76,00,63,00,68,00,6f, 00,73,00,74,00,2e, 00,65,00,78,00,65,00,20,00,2d, 00,
6b, 00,20,00,73,00,65,00,63,00,73,00,76,00,63,00,73,00,00.00.00
“Start” = word: 00000002
“Kind” = word: 00000020
“Description” = “@% ProgramFiles% NWindows DefenderN-MsMpRes.dll, -3068”
“DependOnService” = hex (7): 52.00.70.00.63.00.53.00.73.00.00.00.00.00.00
“ObjectName” = “LocalSystem”
“ServiceSidType” = dword: 00000001
“RequiredPrivileges” = hex (7): 53,00,65,00,49,00,6d, 00,70,00,65,00,72,00,73,00,6f,
00.6e, 00.61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c, 00,65,00,67.00,
65,00,00,00,53,00,65,00,42,00,61,00,63,00,6b, 00,75,00,70,00,50,00,72,00.69,
00,76,00,69,00,6c, 00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,73.00,
74.00.6f, 00.72.00.65.00.50.00.72.00.69.00,76.00.69.00.6c, 00.65.00.67.00.65,
00,00,00,53,00,65,00,44,00,65,00,62,00,75,00,67,00,50,00,72,00,69,00,76.00,
69.00.6c, 00.65.00.67.00.65.00.00.00.53.00.65.00,43.00.68.00.61.00.6e, 00.67,
00,65,00,4e, 00,6f, 00,74,00,69,00,66,00,79,00,50,00,72,00,69,00,76,00,69.00,
6c, 00,65,00,67,00,65,00,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00.69,
00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c, 00,65,00,67,00,65,00,00.00, 00,
00.00
“FailureActions” = hex: 80.51.01.00.00.00.00.00.00.00.00.03.00.00.00.00.14.00.00.00,
00.01.00.00.00.60, c / u, 00.00.01.00.00.00.60, c / u, 00.00.00.00.00.00.00.00.00.00, 00.00
[HKEY_LOCAL_MACHINE_SYSTEMN-Win Services Stream Control
«ServiceDll»=hex(2):25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,
00,6c,00,65,00,73,00,25,00,5c,00,57,00,69,00,6e,00,64,00,6f,00,77,00,73,00,
20,00,44,00,65,00,66,00,65,00,6e,00,64,00,65,00,72,00,5c,00,6d,00,70,00,73,
00,76,00,63,00,2e,00,64,00,6c,00,6c,00,00,00
[HKEY_LOCAL_MACHINENSYSTEMN-Current Control of Wind Safety Services]
"Security" = hex: 01.00,14,80.04,01,00,00,10,01,00,00,14,00,00,00,30,00,00,00,00.02,
00.1c, 00.01.00.00.00.02.80.14.00, ff, 01.0f, 00.01.01.00.00.00.00.01.00.00.00, 00,
00.00.02.00, d4.00.07.00.00.00.00.00.00.28.00, ff, 01.0f, 00.01.06.00.00.00.00.00, 00,
05.50.00.00.00, b5.89, fb, 38.19.84, c2, cb, 5c, 6c, 23.6d, 57.00.77.6e, c0.02.64.87,
00.0b, 28.00.00.00.00.10.01.06.00.00.00.00.05.50.00.00.00.00, b5.89, fb, 38.19,
84, c2, cb, 5c, 6c, 23.6d, 57.00.77.6e, c0.02.64.87.00.00.14.00, fd, 01.02.00.01.01,
00.00.00.00.00.05.12.00.00.00.00.00.18.00, ff, 01.0f, 00.01.02.00.00.00.00.00, 00.00,
05.20.00.00.00.20.02.00.00.00.00.14.00.9d, 01.02.00.01.01.00.00.00.00.00.05,
04.00.00.00.00.00.14.00.8d, 01.02.00.01.01.00.00.00.00.00.05.06.00.00.00.00, 00.00,
00.28.00.15.00.00.00.01.06.00.00.00.00.05.50.00.00.00.00.49.59.9d, 77.91, 56,
e5.55, dc, f4, e2.0e, a7.8b, eb, that, 7b, 42.13.56.01.01.00.00.00.00.00.05.12.00.00, 00,
00.01.01.00.00.00.00.05.12.00.00.00.00
[HKEY_LOCAL_MACHINENCurrentControlSetNServicesNWinDefendNEnum]
“0” = “Root NLEGACY_WINDEFENDN0000 ″
“Count” = word: 00000001
“NextInstance” = word: 00000001
3. After pasting the above code into the notepad file, save the file again with the name reg and close notepad.
4. Now is the time to run this log file to add information. 5. Navigate to the directory where you saved the log file. In my case, es D: fix.reg. Double click on this file to run it. In the box that appears after, click Yes and you will enter the necessary information in the log files.
5. Restart the PC after all the procedure and run Windows Defender again to check whether it is fixed or not.
Method # 4: Malwarebytes scan running
To erase infections from your system, run a full scanner software called Malwarebytes. Follow the steps to download and install Malwarebytes.
1. Download the Malwarebytes software by by clicking here . It is always recommended to use the Premium version of this software for greater real-time protection.
2. After running it, choose Scan at the top and select Custom Scan. 3. Click the Configure Scan button and you will proceed to the next screen.
3. On the next screen, just select all local drives on your hard drive located in the right pane and click on the big blue Scan Now It will start scanning the entire PC and can take up to hours depending on the size of the hard drive.
4. After finishing the scan, choose the Quarantine All option and see the magic.
Method n. ° 5: run system file verification scan
If you can't get the above method to fix this error, then you will need to run a System File Checker Scan to check for corrupted or missing system files and fix them to restore them to their normal state.
To run the SFC scan, click on the following link and follow the instructions. At the end of this procedure, you will be able to get rid of this problem.
