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

How to Reinstall Windows Defender in Windows 10

Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...

Fix GitHub Actions Cache Action Permission Denied Error

How to Fix 'Remote Desktop Permission Denied' Error in RDP Files

When you double-click an RDP file and get a 'permission denied' error, it usually means Windows d...

Fix Windows Defender 502 Bad Gateway Permission Denied

If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...

Fix Microsoft Store Connection Timeout Due to Firewall Settings

You open the Microsoft Store and it hangs on a loading screen, or you get a timeout error when tr...

Fix Windows Terminal Blank Tab on New Tab

You open a new tab in Windows Terminal and see nothing — just a blank, unresponsive window. This ...