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

Jupyter Kernel Connection Error: Causes and Fixes

You start a Jupyter notebook, try to run a cell, and see a message like "Kernel error" or "Connec...

Fix Task Scheduler Not Running with High Performance Power Plan

You have set a task to run automatically using Task Scheduler, but it never triggers when the com...

Outlook Stuck on Loading Profile with Multiple Accounts – Fix

If Outlook hangs on “Loading profile…” and you have multiple email accounts configured, the issue...

Fix Firefox Not Responding When Opening a New Tab

You click the new tab button (or press Ctrl+T) and Firefox freezes, goes white, or shows a spinni...

Fix MongoDB Authentication Failed Permission Denied Error