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

Fix Jupyter Kernel Not Starting in Anaconda

When you launch a Jupyter notebook from Anaconda Navigator or the terminal, the kernel may fail t...

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN After Network Change

If Chrome shows DNS_PROBE_FINISHED_NXDOMAIN right after you connected to a new W...

Fix Docker Compose Volume Permission Denied Errors

You run docker compose up and see errors like Permission denied when wr...

Fix VirtualBox Kernel Driver Not Installed on Windows 10