How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix 'File in Use by Another Process' Error in PowerShell
When you run a PowerShell script that reads or writes to a file, you may see the error: The...
How to Fix Windows Security Blank Screen Issue
When you open Windows Security and see only a blank white or black screen, the app isn't loading ...
Fix Windows Defender Threat History Not Loading Due to Timeout
When you open Windows Security and click on 'Threat history', you might see a spinning circle fol...
Fix Task Scheduler 502 Bad Gateway After Setup
You set up a task in Windows Task Scheduler to hit a web endpoint, but it returns a 502 Bad Gatew...
Fix 'Windows Terminal Service Unavailable Permission Denied'
When you see 'Windows Terminal Service Unavailable Permission Denied', it usually means the Remot...