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

Firefox Secure Connection Failed Only on WiFi: Fixes

If Firefox shows a "Secure Connection Failed" error only when you're on WiFi—but the ...

Docker Compose Environment Variable Not Set in Container: Fixes

You ran docker-compose up, but the environment variable you defined isn't availa...

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS

When you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means your computer can...

Fix Windows Update Service Not Running After Clean Boot

If you performed a clean boot to troubleshoot an issue and later found that Windows Update won...

Git Push Large File Timeout Error: Fixes and Workarounds

You're trying to push a commit that includes a large file—maybe a dataset, a binary, or a gen...

Fix Nginx Upstream Connection Refused Socket Error