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

Fix Jupyter Notebook Token Not Working on Mac

You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...

Why Is Chrome So Slow All of a Sudden on Mac? Fixes to Try

If Chrome was running fine yesterday and now it's dragging, you're not alone. A sudden slowdown o...

How to Disable Command Prompt High CPU Usage from Startup Services

If you notice that Command Prompt (cmd.exe) is consuming a lot of CPU right after boot, it's ofte...

Fix Outlook Permission Denied When Sending Email

You’re trying to send an email in Outlook, but you get a “permission denied” error. The message m...

How to Unlock a File Locked by Chrome Browser

You try to rename, move, or delete a file, but Windows says it's open in Chrome. Even after closi...

Conda Environment Solve Failed: Practical Troubleshooting Checklist