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

Clear Teams Cache to Fix Login Loop: Step-by-Step Guide

If you're stuck in a Microsoft Teams login loop—where you sign in but get redirected back to the ...

Fix Jupyter Notebook Token Expired or Invalid Error

When you try to open Jupyter Notebook and see “token expired” or “invalid token,” it usually mean...

Fix Chrome Connection Refused Certificate Issues

You're trying to visit a website in Chrome and see ERR_CONNECTION_REFUSED, somet...

Microsoft Store 502 Bad Gateway: Troubleshooting Checklist

You're trying to open Microsoft Store and get a 502 Bad Gateway error. This usua...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Use the OneDrive Sync Dependency Conflict Repair Tool

If OneDrive stops syncing with errors like "Action needed" or "Sync pending", a dependency confli...