
Fix Windows Defender Access Denied in Safe Mode
You may see an 'Access Denied' error when trying to open Windows Defender in Safe Mode. This typi...
Software troubleshooting desk

You may see an 'Access Denied' error when trying to open Windows Defender in Safe Mode. This typi...

You open Chrome and see a message about an invalid configuration, or extensions keep failing, or ...

You open Outlook and see an error like "Outlook module not found" or "Configuration module not fo...

You're working on a file when OneDrive pops up an error: "Authentication failed – Error c...

If you've recently reset your BIOS/UEFI settings, cleared the TPM, or updated firmware, you may s...

If you see a 'rate limit error' in Windows Defender and it's not working properly—scanning fails,...