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

Microsoft Store Troubleshooting Guide: Step-by-Step Fixes

If the Microsoft Store won't open, apps fail to download, or you see error codes like 0x80072efd ...

Fix OBS Black Screen but Audio Works: Step-by-Step Guide

If OBS Studio shows a black screen in your source preview or stream but audio is working fine, yo...

Fix Maven Dependency Resolution Failed in IntelliJ

Fix 'cmd module not found' Path Error in Python

You're running a Python script and get an error like ModuleNotFoundError: No module named '...