Checklists for software errors, setup, and tool workflows.

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Defender Threat Service Not Running Error

You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...

Fix Outlook Error 0x80004005: Step-by-Step Troubleshooting

Outlook error 0x80004005 typically appears when sending or receiving email, often with a vague me...

Windows Restore Point Missing After Update – How to Fix

You updated Windows, and now your System Restore points are gone. This is a known issue after maj...

How to Fix Microsoft Teams Error 429 (Rate Limit)

You're working in Microsoft Teams and suddenly see error 429: “You have been rate limited. Please...

Fix "ffmpeg command not found" After Homebrew Install

You installed ffmpeg via Homebrew, but when you type ffmpeg in the terminal, you get...