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

Setup Windows Security to Fix 502 Bad Gateway Error

If you're seeing a 502 Bad Gateway error while running a local web server on Windows, the problem...

Fix Jupyter Kernel Not Starting on Windows 10

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

Fix Windows Defender Service Permission Denied Error in Windows 10

You see a 'permission denied' message when trying to start or interact with the Windows Defender ...

Windows Activation Proxy Error: Complete Troubleshooting Checklist

When you see a Windows activation error that mentions a proxy, it usually means the activation cl...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Fix OneDrive Sync Stuck on Authentication

OneDrive frequently gets stuck on authentication when a user profile or cached credential becomes...