Man muss Avast übrigens nicht komplett deinstallieren wenn das Spiel im Intro abstürzt.
Hier mal die Lösung aus diesem Forum: Forza Motorsport Forums
First open Avast and go to Settings > Troubleshooting and turn off the self defense module(this is only temporary).
Set your explorer to show hidden files and then browse to "C:\ProgramData\AVAST Software\Avast" (it will be there even if Avast is not installed on your C drive) and open "avast5.ini" in Notepad (I use Notepad++) as an admin. Under the common section add "VirtualizationMechanisms=0" (without quotes) and save the file.
Restart your PC and re-enable the self defense module and the game should launch without crashing.
Hier mal die Lösung aus diesem Forum: Forza Motorsport Forums
First open Avast and go to Settings > Troubleshooting and turn off the self defense module(this is only temporary).
Set your explorer to show hidden files and then browse to "C:\ProgramData\AVAST Software\Avast" (it will be there even if Avast is not installed on your C drive) and open "avast5.ini" in Notepad (I use Notepad++) as an admin. Under the common section add "VirtualizationMechanisms=0" (without quotes) and save the file.
Restart your PC and re-enable the self defense module and the game should launch without crashing.