Knowledge base for software setup, errors, and daily tool work.

Chrome Extensions Not Loading: Common Causes and Fixes

You open Chrome and notice your extensions are missing from the toolbar, or they appear greyed ou...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

How to Fix Nginx Redirect Loop 302 Errors

You're seeing a 302 redirect loop in Nginx — the browser keeps bouncing between URLs until it...

Fix Chrome Status Access Violation by Disabling Hardware Acceleration

If you see a STATUS_ACCESS_VIOLATION error in Chrome, it usually happens when th...

Fix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in Chrome

When Chrome shows ERR_NAME_NOT_RESOLVED, it means the browser couldn't trans...