Software comparisons, alternatives, and tool decision notes.

How to Fix 'File Locked by Another Program' in Windows Security

You try to delete, rename, or move a file and get the error “The action can’t be completed becaus...

Fix Windows Security High CPU Usage: Step-by-Step

If you notice your PC fan spinning loudly or sluggish performance, Windows Security might be usin...

Fix Windows Security Network Connection Error

You open Windows Security and see "Network connection error" or "Something went wrong." The app m...

Fix 'err tunnel connection failed' on Chrome for Android

You open Chrome on your Android phone and instead of loading a page, you see 'err tunnel connecti...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...