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

Jupyter Kernel Stuck on Connecting: Practical Fixes

You launch a notebook, but the kernel indicator stays gray or shows “connecting” for minutes. Thi...

Fix WinSCP Permission Denied Publickey Authentication

When connecting to a remote server with WinSCP using SSH public key authentication, you may see t...

Fix Windows Terminal Profile JSON Loading Error

You open Windows Terminal and see an error like "Failed to load settings" or "Profile JSON error....

Microsoft Teams Backup Configuration Checklist

Teams backup isn't a single button. You need to configure multiple pieces—retention policies, eDi...

How to Start the Windows Update Service When It Stops

If Windows Update isn't working, the first thing to check is whether the Windows Update service i...

Windows Activation Error Troubleshooting Checklist: Step-by-Step

Common Activation Error Types

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