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

Jupyter Kernel Not Starting Python Environment: Fixes

You launch a Jupyter notebook, select your Python environment kernel, and the notebook stays stuc...

Fix DNS Probe Finished NXDOMAIN on Chrome for Mac

You're browsing in Chrome on your Mac and suddenly a site won't load. Instead, you see the error ...

Fix 'Windows Defender Firewall Has Blocked' Error

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

Fix Microsoft Store Error: Port Already Allocated After Update

After a Windows update, you might see a Microsoft Store error saying a port is already allocated....

Fix 'PowerShell Not Recognized as Internal or External Command'