Checklists for software errors, setup, and tool workflows.

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Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

How to Fix Git Detached HEAD and Checkout a Branch

You're working in a Git repository, make some commits, and then realize you're in a '...

Windows Defender Real-Time Protection Keeps Turning Off: Fixes

You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...

Fix Windows Defender Real-Time Protection After Clean Boot

You've performed a clean boot to troubleshoot an issue, but now Windows Defender's real-t...

How to Fix Git Merge Conflict Error Code 128

When you run git merge and get error: merge conflict followed by ...

Fix Windows Update Error 0x80070002 with System File Checker
When Windows Update fails with error 0x80070002, it often points to missing or corrupted system f...