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

Fix PowerShell Proxy Authentication Failed Errors

How to Fix Microsoft Store Token Expired Error

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

Fix Windows Security 404 Not Found Permissions Issue

You open Windows Security and see a 404 Not Found error, or the app won't load at all. Often this...

Fix Windows Update Login Loop After Configuration Settings

You restart your computer after a Windows update, and instead of reaching the desktop, you see th...

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 10 Activation High CPU Usage in Task Manager

You open Task Manager and see a process like sppsvc.exe or Software Prot...