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

Fix PostgreSQL Password Authentication Failed in pg_hba.conf

When you see psql: FATAL: password authentication failed for user "username", it usu...

BitLocker High CPU Usage Checklist: Diagnose and Fix

If your system is sluggish and Task Manager shows high CPU usage from BitLocker or its helper pro...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix 'Windows Activation Command Not Found' by Checking System Files

When you run slmgr.vbs or cscript slmgr.vbs to activate Windows and get...

Windows Update Keeps Failing to Install: Practical Checklist

You click "Install updates," it downloads, then fails at the final step. This guide walks through...

Fix MySQL Connection Refused for Remote Access

When you try to connect to a MySQL server from a remote client and get ERROR 2003 (HY000): ...