
How to Fix Windows Defender Update Error 0x80070643
If you see error 0x80070643 when updating Windows Defender, it usually means the update failed to...
Software troubleshooting desk

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed to...

You try to open Windows Security (Windows Defender) and see a network error like “Something went ...

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...

If Microsoft Teams is making your laptop fan spin loudly or slowing down other apps, high CPU usa...

You changed your Microsoft password, and now OneDrive keeps asking you to sign in again and again...

After a Windows update, you might notice the Windows Security process (Antimalware Service Execut...