Game crashes after hitting play

Worked fine yestserday - a bit laggy but then everybody had that since 2.2

This morning I try to start the game, login (works), hit Play -> Crashed

Problem signature:
Problem Event Name: APPCRASH
Application Name: ffxiv.exe
Application Version: 1.0.0.0
Application Timestamp: 53312422
Fault Module Name: d3d9.dll
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 4ee53333
Exception Code: c0000005
Exception Offset: 00002a77
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1031
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

I'm unsure why directX is referenced, I didn't change anything about my PC. I've tried rebooting without any success.

Error found, I had SweetFX installed. Remove that stuff from game directory (including d3d9.dll) and game works again.