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

Cloudflare SSL Full Strict: Fix Origin Certificate Errors

If you've set Cloudflare's SSL/TLS encryption mode to Full (Strict) and started seeing er...

Windows Security App Not Opening as Administrator: Fixes

When you try to open the Windows Security app and it fails to launch, often with no error message...

How to Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears when the system cannot find a required file durin...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Fix Docker Volume Permission Denied for Postgres

Windows Update Service Setup Guide: Enable & Configure

When Windows Update fails, the underlying service is often the culprit. This guide walks through ...