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

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 ...

Fix Windows Update Invalid Configuration with SFC Scan

If Windows Update fails with an 'invalid configuration' error, corrupted system files are often t...

How to Fix PowerShell High CPU Usage on Windows 10

If you notice PowerShell consuming a large amount of CPU on your Windows 10 machine, it can slow ...

Find Chrome Profile Log File Location on Windows 11

If Chrome is crashing, syncing incorrectly, or behaving oddly, the profile log file can give clue...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

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

Windows 10 Activation Stuck at 0% Setup: How to Fix

When you try to activate Windows 10, the progress bar may hang at 0% and never move. This usually...