It crashes for me (1.1 and 2.1 beta6) when starts, without any kind of information or error code. Wired and Wireless Xbox 360 pad. Microsoft DirectX End-User Runtimes (June 2010) Microsoft .NET 4.5 Windows 8.1 x32 (clean installation and updated 04/12/2014) Windows 8.1 x64 (clean installation and updated 04/12/2014) Dell Inspiron 530 (2007) Intel Core2 Duo E6550 @ 2.33GHz 4 x 1GB 240-pin DDR2 DIMM (max 4GB) Radeon HD 7770