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

Fix Windows Security High Memory Usage

If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Fix Chrome Update Permission Denied Error

When Chrome fails to update and shows a 'permission denied' error, it usually means the updater c...

How to Fix OneDrive Sync Pending or Stuck Issues

If your OneDrive shows "Sync pending" or files appear stuck, it usually means the app is waiting ...

Nginx 502 Bad Gateway: PHP-FPM Fix Guide

Seeing a 502 Bad Gateway error from Nginx usually means it can't reach PHP-FPM. This is common af...

Fix Windows Terminal Access Denied When Opening Profile

You click a profile in Windows Terminal and get an 'access denied' error. This usually happens wh...