
Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...

You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...

You try to open a file with 7-Zip and get the error 'Cannot open file as archive'. This can happe...

When Chrome fails to start, you may see a brief flash of a window, an error message, or nothing a...

You open Chrome and see error code 0x80070005, often with a message about not being able to acces...

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

After a recent update, you may notice Microsoft Teams using 50-80% of your CPU, making your syste...