Checklists for software errors, setup, and tool workflows.

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Fix Git Push Non-Fast-Forward and Permission Denied Errors

When you run git push and get an error like ! [rejected] main -> main (non-...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings
You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix pip Error: Externally Managed Environment
If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...

Windows 11 Update Stuck at 0%? Here's How to Fix It
You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...

Windows 11 Update Stuck at 0% Due to Corrupt Files: Fixes
You start a Windows 11 update, and it hangs at 0% for minutes or hours. Corrupt system files are ...

Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git Push Non-Fast-Forward and Permission Denied Errors

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

Fix pip Error: Externally Managed Environment

Windows 11 Update Stuck at 0%? Here's How to Fix It

Windows 11 Update Stuck at 0% Due to Corrupt Files: Fixes

Fix Git 'index.lock' File Exists Error in IntelliJ

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