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

Fix Microsoft Store for Linux Ubuntu Permission Denied

If you're running Microsoft Store apps on Ubuntu via tools like Wine or a compatibility layer, yo...

Fix WinSCP Permission Denied Publickey Authentication

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

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Windows Defender Port Already Allocated in Event Viewer

If you see 'port already allocated' errors in Event Viewer related to Windows Defender, it usuall...

Outlook Configuration Checklist for New Email Account

Setting up a new email account in Outlook often runs into errors if the settings aren't exactly r...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...