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

Fix Port Already Allocated Error When Windows Security Is Off

You try to start a local server or application and get an error saying the port is already alloca...

How to Fix Microsoft Store App Update Permission Denied Error

When you try to update an app from the Microsoft Store and see a "permission denied" or "access d...

Fix PostgreSQL Connection Refused on Port 5432

When you see psql: error: connection to server at ... failed: Connection refused on ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Windows Defender and Ubuntu Dual Boot Setup Guide

If you run a dual-boot system with Windows and Ubuntu, you may notice that Windows Defender somet...

Fix Windows Security Login Loop with Permission Denied Error

You enter your credentials, the screen flashes, and you're back at the login prompt. Sometimes yo...