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

GitHub Actions Runner Not Connecting: Fixes That Work

You've set up a self-hosted GitHub Actions runner, but it never appears online or shows a "runner...

Microsoft Teams Microphone Not Working in Meetings: Fixes

When your microphone stops working in a Teams meeting, you can see others but they can't hear you...

Fix Windows Defender Blocking Legitimate Software

You install a legitimate application, and Windows Defender immediately blocks it or deletes its f...

Fix Microsoft Teams Cache Corruption Errors

When Microsoft Teams starts acting up—refusing to log in, failing to sync, or crashing repeatedly...

Fix GitHub Actions Docker Push Permission Denied

Fix OneDrive Login Loop After Password Change

You changed your Microsoft password, and now OneDrive keeps asking you to sign in again and again...