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

OBS Virtual Camera Setup Checklist

You've added sources, your scene looks great in OBS, but when you try to select the OBS Virtual C...

Fix OneDrive Sync Error 0x8004de40: Service Unavailable

When OneDrive shows error 0x8004de40 with the message “Sync service unavailable,” it usually mean...

Fix npm ERESOLVE EPERM Permission Denied Error

You run npm install and get an ERESOLVE EPERM error. The message sa...

Fix PowerShell Cannot Connect to Localhost Due to Firewall

When you try to connect to a local service (e.g., a web server, database, or custom application) ...

How to Fix Command Prompt Error 0x80070005 (Access Denied)