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 Command Prompt Version Mismatch Errors

You run a command in the command prompt and get a message like "This version of ... is not compat...

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

How to Fix Outlook 504 Gateway Timeout Error

If you're seeing a 504 Gateway Timeout error in Outlook, it usually means the server didn't respo...

How to Fix Outlook Slow Performance After an Update

After a recent Office update, Outlook may become noticeably slower—taking longer to open, lagging...

Windows Terminal Performance Optimization Checklist

If Windows Terminal feels sluggish—slow to open, laggy when typing, or jerky when scrolling—you’r...