Definition Update for Windows Defender - KB2267602 (Definition 1.223.2506.0) - Error 0x80070643

  • Thread starter Thread starter MikeShepp
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MikeShepp

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Dell Inspiron 15-5559 Laptop
Windows 10 Pro 64bit
McAfee LiveSafe
Malwarebytes Anti-Malware
Malwarebytes Anti-Exploit
Malwarebytes Anti-Ransomware


This Laptop was working fine and then developed a boot problem. I did a Reset this PC and it reloaded Windows.
It then started doing updates that lasted for quite a while. I then started adding my apps including the above
mentioned McAfee and Malwarebytes. It seems the Malwarebytes and Windows Defender are fighting each other now.


How can I stop the update from trying to run as it is not needed as Malwarebytes is taking care of the job?


If I run the Windows Defender app I get a box with a red bar with PC status: At risk

If I hit the start now button I get - The service couldn't be started.


On my other laptop also with Malwarebytes I get - This app has been turned off and isn't monitoring your computer, not the Windows Defender box as on this laptop.


It looks like I need to delete/remove this update as it will never install because Windows Defender is turned off and not needed.

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