Checklists for software errors, setup, and tool workflows.

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Windows Security Scan Stuck at 99%: Practical Fixes

You run a Windows Security (formerly Windows Defender) scan, it reaches 99%, and then… nothing. I...

Fix Chrome Proxy Error 'Connection Refused' (Step-by-Step)

You try to open a website in Chrome and get 'ERR_CONNECTION_REFUSED' or 'Proxy server is not resp...

Fix Chrome Login Loop After Password Change

You changed your password, and now Chrome keeps asking you to log in again and again—even after y...

How to Fix 'npm command not found' on Mac

If you type npm in Terminal and see zsh: command not found: npm (or

Fix Microsoft Teams SSL Certificate Error (Self-Signed Certificate)

You open Microsoft Teams and see an error like "There is a problem with your SSL certific...

Fix Microsoft Store High Memory Usage by Resetting
If you notice that the Microsoft Store is consuming a large amount of memory (often over 500 MB o...