Ensure your subscription is active. Expired subscriptions generally block access to the latest software versions.
Sometimes strict firewall or antivirus settings block diagnostic executable files. Temporarily adjust settings if the download fails. Troubleshooting Common Update Issues bosch diagnostic tool version 8160 download upd
If the software installs but won't talk to the vehicle interface, you may need to update the firmware on the VCI puck itself. Ensure your subscription is active