Checklists for software errors, setup, and tool workflows.

Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome, it usually means the browser...

Fix Remote Desktop Connection Blocked by Firewall

When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

How to Fix Git Merge Conflict Permission Denied Errors

You're in the middle of a git merge, and instead of the usual conflict markers, you see

Fix VS Code 'Permission Denied' When Saving Files

You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...