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

MongoDB Authentication Failed After Upgrade: Fixes That Work

After upgrading MongoDB, you might see "Authentication failed" even though credentials haven't ch...

Fix Microsoft Teams Connection Refused on Startup

When you start Microsoft Teams and see a 'connection refused' or 'can't connect' error, it's usua...

Resolving npm Dependency Conflicts After an Update

Chrome Profile Can't Connect to Localhost: Fixes

You try to access a local development server at http://localhost:3000 (or another po...

Fix Windows Update Error 0x80070020: Port Already Allocated

When you see error 0x80070020 during a Windows Update, it usually means a program is already usin...