Crash - crash -crash

Hello, i have installed Forza4 in my Xbox, with my speed Internet…3days.
I was able to order to play 65% ​​of the installation but once I had the choice of the two races, the first planted (the one ready for departure)
I walked a little, I was able to race more loing then try the first but nothing to do.

the game finally finished installed at 100%, I was finally able to do the first race, 'could have progressed a bit but the game crashes of the beginning of autumn of what I understood, the race Batham gate
Impossible to progress on the game, I have tested more than 10 times but nothing, it closes the game and return to the home page xbox or it sometimes turns around all around the car without stopping. What to do?

excuse my english , i use a translate.

Please help me, uninstall and reinstall it’s so so long

https://support.forzamotorsport.net/

You shouldn’t have started it early. You now have some form of corruption and re-install is the only way to fix it.

Please submit a ticket here