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

Fix Microsoft Teams Screen Sharing Not Working

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...

How to Set Up a Proxy for Windows Update to Avoid Errors

If you're seeing errors like 0x8024402c or 0x80072ee2 when trying to update Windows, the issue mi...

Fix Windows Security Dependency Conflict Not Working

You may see an error message saying "Windows Security dependency conflict not working" or a relat...

How to Fix 'Windows Update Path Not Found' in Command Prompt

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix OBS Virtual Camera Not Detected by Zoom

You've set up OBS Studio with the Virtual Camera plugin, but Zoom shows nothing in the camera dro...