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 Windows Defender Service Not Starting (Error 0x80070422)

You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

PowerShell Reset Settings Not Working: Common Fixes

If you've tried resetting PowerShell settings (e.g., via powershell -ResetCommand or...

OneDrive Sync Failed: Configuration Error Repair Guide

When OneDrive throws a "sync failed to start" message tied to a configuration error, the app usua...

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

Windows activation errors usually appear as a watermark on ...

Fix 'Permission Denied' When Running Windows Update Offline Installer

When you try to run a Windows Update offline installer (typically an .msu file) and get a 'permis...