Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock file exists' Error

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

Fix VSCode Git Authentication Failed: Reset Credentials
If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...

Fix ERR_CONNECTION_RESET by Clearing Browser Cache
When you see the ERR_CONNECTION_RESET error in Chrome, it usually means the conn...

Fix Windows Security App Error 0x80070424
When you open Windows Security or try to run a scan, you might see error code 0x80070424. This us...

Fixing Cloudflare Wildcard Subdomain Permissions Denied Errors
You set up a wildcard DNS record in Cloudflare, but requests to subdomains return a permissions d...

How to Fix Chrome Crash Loop on Windows and Mac
If Chrome opens for a few seconds and then crashes, or keeps restarting in a loop, you're lik...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock file exists' Error

Fix VSCode Git Authentication Failed: Reset Credentials

Fix ERR_CONNECTION_RESET by Clearing Browser Cache

Fix Windows Security App Error 0x80070424

Fixing Cloudflare Wildcard Subdomain Permissions Denied Errors

How to Fix Chrome Crash Loop on Windows and Mac

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