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

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...

Fix Docker Pull Access Denied in CI/CD Pipeline

When a CI/CD pipeline fails with denied: requested access to the resource is denied ...

How to Allow Unrelated Histories in Git Merge

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...