Checklists for software errors, setup, and tool workflows.

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Fix Firefox Secure Connection Failed DNS Error

You try to visit a website in Firefox and see 'Secure Connection Failed' with an error li...

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 Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

How to Fix Remote Desktop Connection Timed Out Error

When you see "Remote Desktop Connection timed out" after attempting to connect to a remot...

Fix Docker Volume Permission Denied Errors

When you mount a host directory into a container, you may see errors like Permission denied...

Fix Windows Update Service Not Running for System Restore
You might see “System Restore did not complete successfully” or “Windows Update service is not ru...