Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Proxy Error 407: Authentication Required

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

Fix 'Task Scheduler' Not Recognized as Internal or External Command

When you type task scheduler or taskschd.msc in Command Prompt and see ...

Fix OneDrive Sync Error 'Version Mismatch' on Windows 10

You open OneDrive and see a sync error: “Version mismatch.” This usually means the OneDrive app o...

How to Fix GitHub Actions Permission Denied Errors

If you see a "permission denied" error in a GitHub Actions workflow run, it usually means the wor...

How to Fix Outlook Proxy Authentication Failed Error

You try to send or receive email in Outlook and see an error: "Proxy authentication failed"

Windows Store App Downloads Not Starting – Fixes That Work
You click install, but the download bar never moves. Maybe it shows “Pending” or just freezes. Th...