Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Fix Windows Security High Memory Usage
If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...
How to Fix BitLocker Connection Refused Error Code
When you see a "connection refused" error related to BitLocker, it usually means the BitLocker Dr...
Fixing Task Scheduler Connection Refused to SQL Server
When a scheduled task that interacts with SQL Server fails with a 'connection refused' error, it ...
Fix OneDrive Sync Issues After Windows Update
After a Windows update, you might find OneDrive stuck on "Processing changes" or showing sync err...