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

Firefox Not Responding: Clean Reinstall Guide

If Firefox freezes, crashes, or shows a "not responding" message repeatedly, a clean reinstall ca...

Fix Pip Permission Denied After Python Upgrade

Fix Windows Defender Real-Time Protection Authentication Failed

When you try to turn on Windows Defender real-time protection, you might see an error saying some...

Fix 'PowerShell Not Recognized' Error on Windows

When you type powershell in Command Prompt or a script and see “powershell is not re...

WireGuard Handshake Not Completing: Peer Not Responding Fix

You see "handshake did not complete after 5 seconds, retrying" or "peer not responding" in your W...

Fix Windows Activation Sync Issue Between Windows and Ubuntu

If you dual-boot Windows and Ubuntu and suddenly see a “Windows isn’t activated” message, the iss...