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...

Fix Task Scheduler Connection Timeout Due to Firewall

If your scheduled tasks fail with a connection timeout error, the firewall might be blocking the ...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Windows Activation Server Not Available Error

When you see the message "Windows activation server is not available" while trying to activate Wi...

Fix Windows Security Error 0x80073b01: App Install Blocked

When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...