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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a proxy connect...

Fix OneDrive SSL Certificate Error After Update

After a recent Windows or Office update, you may see an SSL certificate error in OneDrive. The er...

Fixing 502 Bad Gateway in Windows Terminal Setup

If you're seeing a 502 Bad Gateway error while setting up or using Windows Terminal, it usually m...

How to Fix Microsoft Store Token Expired Error

When you see a 'token expired' error in Microsoft Store, it usually means the authentication toke...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix OneDrive Sync Permission Denied & Connection Refused

You're working and OneDrive stops syncing, showing "Permission Denied" or "Connection Refused." T...