Checklists for software errors, setup, and tool workflows.

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

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

How to Fix Windows Defender Access Denied Error

If you see an "Access Denied" error when trying to open Windows Defender or run a scan, it usuall...

Fix Windows Defender Sync Error Across Devices

You see a sync error in Windows Security that says something like “Something went wrong. Try to s...

Fix PowerShell Proxy Error 407: Authentication Required

If you see 407 Proxy Authentication Required when running PowerShell commands (e.g.,...

Fix Windows Defender DNS Error Permission Denied

You run a scan or update in Windows Defender and see an error like "DNS error permission denied" ...

Fix Windows Security Network Error After Update

After a Windows update, you might see a network error in Windows Security, often with a message l...