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

How to Fix Windows Search High Memory Usage

If Windows Search is using excessive memory (often 500 MB or more in Task Manager), it can slow d...

Fix Chrome 502 Bad Gateway Error Caused by Extensions

You're browsing Chrome and suddenly see a 502 Bad Gateway error. The page won't ...

Fix Windows Security Auto Start Registry Settings

If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...

How to Disable Windows Defender Permanently

Windows Defender (now Microsoft Defender Antivirus) is enabled by default in Windows 10 and 11. W...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

BitLocker 502 Bad Gateway Error: Causes and Fixes

You're trying to manage BitLocker via the web console or a recovery key portal, and instead of th...