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

How to Fix BitLocker Module Not Found or Permission Denied Errors

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 PowerShell Not Launching from Start Menu

When you click PowerShell in the Start Menu and nothing happens, or it flashes and closes, it's u...

Command Prompt Service Unavailable: Troubleshooting Checklist

When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...

Fix Task Scheduler 'Access Denied' When Running as Admin

You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...

Fix Windows Defender Not Starting After Update

After a Windows update, you might see that Windows Defender (now called Microsoft Defender Antivi...