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

Fix Outlook Not Opening After a Windows Update

After a Windows update, Outlook may fail to start—showing no error, a loading spinner that never ...

Fix GitHub Actions Cache Action Permission Denied Error

How to Fix Remote Desktop Black Screen After Connecting

You connect to a remote PC via RDP, authentication succeeds, but you're greeted with a black scre...

Where Windows Defender Stores Its Cache Files

If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...

GitLab Runner Configuration for Pending Jobs: A Troubleshooting Guide

You push a commit, the pipeline triggers, but jobs stay pending indefinitely. Th...

Fix Cloudflare DNS Not Working on Router Setup

If you've set Cloudflare DNS (1.1.1.1, 1.0.0.1) on your router but devices still can't resolve do...