Problem Event Name APPCRASH

This error comes up randomly after the game loads. I can play any where between 5-35 minutes before it just crashes.

Problem Event Name: APPCRASH
Application Name: ffxiv.exe
Application Version: 1.0.0.0
Application Timestamp: 522639d7
Fault Module Name: nvd3dum.dll
Fault Module Version: 9.18.13.2049
Fault Module Timestamp: 51c40fa2
Exception Code: c0000005
Exception Offset: 005ac835
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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