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

Fix BitLocker Auto-Unlock Not Working via Group Policy

You've enabled BitLocker auto-unlock on a drive, but it still asks for the password every time yo...

Fix Nginx 404 on All Pages Except Index

If your Nginx server loads the index page but returns 404 on all other pages, the issue is almost...

Fix Windows Activation Error 0xc004c003 After Hardware Change

If you see error 0xc004c003 after upgrading your PC's motherboard, CPU, or other major hardware, ...

Fix Microsoft Store SSL Certificate Error in Chrome

If you see an SSL certificate error when accessing the Microsoft Store in Chrome, it's often due ...

Fix Windows Update 404 Not Found Using Command Prompt

If you see a 404 error when checking for Windows updates, it usually means the update files canno...

Fix Chrome SSL Certificate Error: Invalid Common Name