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

Jupyter Kernel Not Starting Python Environment: Fixes

You launch a Jupyter notebook, select your Python environment kernel, and the notebook stays stuc...

Chrome Profile Sync Not Working After Migration: Fixes

After migrating Chrome to a new computer or reinstalling the browser, sync may stop working. Book...

Java JDK Not Recognized After Installation: Fixes and Checks

Fix Chrome 'Connection Refused' on Linux Profiles

You launch Google Chrome on Linux, maybe with a specific profile flag, and instead of your browse...

UFW Port Issues: A Practical Troubleshooting Checklist

When a service won't accept connections, UFW is often the first suspect. This checklist walks thr...

Fix Windows Search Fails with DNS_PROBE_FINISHED_NO_INTERNET

You type a query into the Windows Search bar, and instead of results, you see “No internet” or a ...