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

Fix Windows 11 Activation Access Denied Error

You try to activate Windows 11 but get an 'access denied' error. This usually means the activatio...

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

Fix Windows Defender Permission Denied Access Error

You try to open Windows Defender Security Center or run a scan, and you get a 'permission denied'...

Windows Update High CPU Usage Troubleshooting Checklist