While installing updates for their computers entirely through Windows Update, many users were unable to complete one update – Windows Defender Definition Update – with error code 0x80070643 associated with the issue.
Microsoft Defender Antivirus and other Microsoft antivirus solutions allow you to manually initiate an update. In Windows 10, select Check for updates on the Windows Security Virus & Threat Protector main screen to check for the latest updates.
The situation is error 0x80070643, a previous major antivirus application has been detected that may have been removed but still has its interceptors on your operating system. In my case it was McAfee preinstalled on my dellxps. The solution was to find the MCPR.EXE AV uninstaller on the McAfee website. Run it, restart it and you should be able to update and run it.
How do I uninstall KB2267602 update?
I recommend that you follow the steps below to uninstall, uninstall Windows 10 after KB2267602 and see if that helps.
- Type: Search for updates installed in the Windows 10 search bar.
- Press Enter on the entire keyboard.
- Search for your update KB2267602 in the list.
- Right-click update KB2267602 and select Uninstall.
What is update KB2267602?
Microsoft has also released KB2267602 and again this is a new definition update that works with Windows Defender Antivirus. The official specification for this update is as follows: Install this update to revise the specific definition that files are used to detect viruses, spyware, and other truly unwanted software.
What is KB2267602?
Microsoft has frequently released KB2267602, a great new definition update for Windows Antivirus Defender. The official description for “Edit This” reads: “As of today, install this to revise definition clips used to detect malware, spyware, and other potentially unattractive software.
Do I need KB2267602?
No, you don’t have to have it if you don’t want to use Windows Defender for normal onboarding.
How do I uninstall KB2267602?
I suggest that you follow the steps below to uninstall or uninstall Windows 10 KB2267602 and see if that helps.
- Enter the following: Vision has installed Search Public House updates on 10 windows.
- Press Enter on your company keyboard. Find
- in the list for your update KB2267602.
- Right-click KB2267602 specific update and select Uninstall.

I’m a writer for uscfr.com. In my opinion, technology should make our lives easier, not more complicated. That’s why I enjoy breaking down complex topics and explaining them in a way that everyone can understand. In my free time, I can be found tinkering with new devices or coding up new apps.