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

How to Fix Microsoft Store Error 404 (Not Found)

If you see a 404 error when trying to open an app or page in the Microsoft Store, it usually mean...

Postman Request Timeout Checklist: Diagnose and Fix

You're testing an API in Postman, and the request hangs for a while before returning a timeout er...

Fix Chrome Profile Stuck Loading – Reset Profile Settings

Why Chrome Profile Gets Stuck Loading

You open Chrome, but instead of your bookmarks and ...

Fix Nginx Config Test Failure After Adding SSL Certificate

You added an SSL certificate to your Nginx server block, ran nginx -t, and got an er...

How to Remove the Ubuntu dpkg Lock File

When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...

Fix Remote Desktop File Locked Error 0x80070020

If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...