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

Windows Security 404 Not Found: Setup and Fix Guide

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

Fix Windows Defender Token Expired Registry Error

If you see an error like "Token expired" in Windows Security or Event Viewer, it usually...

Fix Microsoft Teams High Memory Usage and Error 0x80070057

If you see error 0x80070057 while Teams is using excessive memory, the issue is often a corrupted...

PowerShell on Ubuntu 22.04: Setup Checklist

If you're setting up PowerShell on Ubuntu 22.04, you might hit errors like 'command not found' or...

Fix 'Module Not Found' in Python Virtual Environments

Fix Windows Defender Proxy Error: Configuration Guide

You open Windows Security and see a yellow warning: "Your IT administrator has limited access to ...