Checklists for software errors, setup, and tool workflows.

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Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer

When you see fatal: unable to access 'https://...': SSL certificate problem: unable...

Setup Cloudflare Origin Certificate for Nginx
If you use Cloudflare as a reverse proxy, enabling HTTPS between Cloudflare and your Nginx server...

Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue
You're browsing in Chrome and see a full-page warning: Your connection is not private...

Fix Firefox Secure Connection Failed Error (Mozilla)
When Firefox shows 'Secure Connection Failed' and a message like MOZILLA_PKIX_ERROR_<...

Fix Remote Desktop Error 0x80004005: Credential and Network Checks
When you attempt to connect to a remote PC and see error 0x80004005, the connection usually fails...

Node.js Memory Limit Increase Not Working: Fixes
You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer

Setup Cloudflare Origin Certificate for Nginx

Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue

Fix Firefox Secure Connection Failed Error (Mozilla)

Fix Remote Desktop Error 0x80004005: Credential and Network Checks

Node.js Memory Limit Increase Not Working: Fixes

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