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

Fix Windows Update Black Screen After Restart

After installing a Windows update and restarting, a black screen (with or without a cursor) can b...

Fix kubectl apply Forbidden on GKE

Fix Windows Update Token Expired Error 0x80070057

You see error code 0x80070057 when trying to run Windows Update, often with a message about a tok...

Fix 'Chrome Module Not Found' Error on Mac

If you're seeing 'Chrome module not found' on your Mac while working with Node.js, Puppeteer, or ...

Fix Windows Defender Error 0x80070422: Cannot Connect

If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...

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...