Problems upgrade Start 42

Yvonhoe
Yvonhoe Registered Users Posts: 1
New Traveler
edited January 2019 in Map purchase & installation
I just bought a Start 42 and want to upgrade the card. After 6% upgrade, it jumps to 95% and then starts again at 1% after a few minutes. What is wrong here? Do I need an activation code? I have the latest version of My Drive Connect. Also after closing my firewall it does not work.