How to Enable Windows Defender After It Failed to Start
If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Update 502 Bad Gateway After Update
After installing a Windows update, you might encounter a 502 Bad Gateway error when trying to use...
Fix Microsoft Teams Login Loop on Mac
If you're stuck in a Microsoft Teams login loop on your Mac—where the app asks you to sign in rep...
Fix Remote Desktop Timeout Caused by Antivirus Interference
You're in the middle of a remote session when the connection drops with a timeout error. You've c...
Fix Windows Defender Error 0x80073b01
If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...
Fix Windows Defender Error 0x80070643 on macOS
If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...