Checklists for software errors, setup, and tool workflows.

Fix ERR_NAME_NOT_RESOLVED on Windows 10

Seeing ERR_NAME_NOT_RESOLVED in Chrome on Windows 10 means your browser can'...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Fix Windows Defender Real-Time Protection Permission Denied

When you try to turn on or off Windows Defender real-time protection, you might see a "Permis...

Fix VS Code Git Changes Not Showing in Source Control Panel

You open the Source Control panel in VS Code expecting to see your unstaged and staged changes, b...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...