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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Chrome Profile Configuration Checklist for Troubleshooting

If Chrome behaves oddly—settings reset, extensions disappear, or bookmarks vanish—the profile con...

Fix OneDrive SSL Certificate Error and Permission Denied

When you see an SSL certificate error or a permission denied message in OneDrive, syncing stops. ...

How to Fix Chrome Browser 502 Bad Gateway Error

If you see a 502 Bad Gateway error in Chrome, it usually means the server you're trying to reach ...

Chrome Extension Permissions Setup Guide

When you install a Chrome extension, you're often prompted to grant certain permissions. These pe...

Fix Windows Search Token Expired via Credential Manager

If Windows Search stops working and you see errors like "token expired" or "credentials are inval...