
Fix Windows Defender Error 0x80070643 – Version Mismatch
You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...

If you frequently see "The connection was denied because the user account is not authorized for r...

You click Install, the progress bar moves a little, then you see "Installation failed" with an er...

When you get a new computer, you don't have to start from scratch with Chrome. This guide walks t...

If Windows Security (formerly Windows Defender) won't open or gets stuck on a loading screen, the...