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

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...

Fix Remote Desktop Certificate Error 0x80090322

When connecting to a remote desktop, you might see error 0x80090322. This usually appears as a me...

How to Disable Proxy for Windows Activation

If you're seeing error codes like 0x80072EE2 or 0x80072F8F when trying to activate Windows, a mis...

Microsoft Teams Authentication Failed: Step-by-Step Checklist

You try to sign in to Microsoft Teams and see an error like “Authentication failed” or “We couldn...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Task Scheduler Stuck Loading Event Log Check

If Task Scheduler hangs when you open it, showing a perpetual "Loading Event Log Check" message, ...