As the title says the start up file keeps crashing. I have tried reinstalling the game twice,restarted the computer both times neither has helped. This is the steam version of the game. This is the message i am getting:

Faulting application name: ffxivboot.exe, version: 1.0.0.0, time stamp: 0x59632448
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0xc0000005
Fault offset: 0x80000008
Faulting process id: 0x15e4
Faulting application start time: 0x01d30f945134005b
Faulting application path: F:\steam\steamapps\common\FINAL FANTASY XIV Online\boot\ffxivboot.exe
Faulting module path: unknown
Report Id: 8fd02e86-7b87-11e7-a5f3-e03f497ec799

the game was working fine yesterday, i have no idea what happened to cause this.