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

Fix PowerShell Set-ExecutionPolicy RemoteSigned Not Working

You run Set-ExecutionPolicy RemoteSigned in PowerShell, but the change doesn't stick...

How to Fix BitLocker Not Working on Ubuntu

If you dual-boot Ubuntu with Windows or try to access a BitLocker-encrypted drive from Ubuntu, yo...

Setup Windows Security Log Monitoring with Event Viewer

If you need to track who logs into your Windows machine or detect unauthorized access attempts, t...

Command Prompt Log Not Saving: How to Fix

You run a command in Command Prompt, redirect output to a log file, but the file is empty or does...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...