Checklists for software errors, setup, and tool workflows.

WireGuard Handshake Not Completing: Peer Not Responding Fix

You see "handshake did not complete after 5 seconds, retrying" or "peer not responding" in your W...

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...

Fix Windows Update SSL Certificate Errors: Practical Steps

You click "Check for updates" and see error 0x80072F0D or a message like "A certificate chain pro...

Kubernetes kubectl Connection Refused: Causes and Fixes

You run a kubectl command and get "connection refused". This usually means kubectl can't reach th...

Fix BitLocker Proxy Error Code: Practical Steps

When BitLocker Network Unlock fails, you might see a proxy error code in the event logs or during...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

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