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

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 PowerShell Connection Refused or Permission Denied Errors

When you see Connection refused or Permission denied in PowerShell, it ...

Microsoft Store Ubuntu Setup: Essential Checklist for Success

Installing Ubuntu from the Microsoft Store is straightforward, but users sometimes hit snags like...

Fix Microsoft Teams High Memory Usage and Error 0x80070057

If you see error 0x80070057 while Teams is using excessive memory, the issue is often a corrupted...

Fix 'ffmpeg command not found' in PHP exec()