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

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...

BitLocker Access Denied on System Volume: How to Fix

If you see 'Access Denied' when trying to access the BitLocker-encrypted system volume (usually C...

Fix Windows Security Proxy Error After Update

After a Windows update, you might see a proxy error in Windows Security (formerly Windows Defende...

Microsoft Teams: Reset Settings vs. Reinstall – Which Fix to Use

When Microsoft Teams starts acting up—freezing, failing to load, or showing odd errors—two common...

Outlook 404 Not Found Web App: Fixes and Checks

If you're seeing a 404 Not Found error when trying to open Outlook on the web (formerly Outlook W...

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

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