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

Fix Windows Security Service Unavailable in Windows 11

You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...

Windows Update Access Denied: Troubleshooting Checklist

When Windows Update fails with an 'access denied' error, it usually means the update process lack...

BitLocker Recovery Key Not Accepted: 504 Error Fix

You enter your BitLocker recovery key, but get a 504 error. The key is not accepted. This usually...

Fix PowerShell High CPU Usage When Idle

If you notice PowerShell consuming high CPU even when the system appears idle, it's often due to ...

Fix 'Chrome Profile Path Not Found' or 'Missing Profile' Error

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...