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

Fixing Node Version Mismatch with package.json Engines

You run npm install or node app.js and see a warning or error about the...

Fix Missing Taskbar Icons After Uninstalling a Program

You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...

Fix Permission Denied on chmod in VS Code Terminal

You're running chmod in the VS Code integrated terminal and seeing 'permissi...

Fix Git Push Rejected Non Fast Forward Error

How to Update Git Remote Origin URL

When a repository's remote URL changes—for example, after migrating to a new Git server or sw...

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...