i get this error about 1x/day and have to reboot to clear

Problem signature:
Problem Event Name: APPCRASH
Application Name: ffxiv.exe
Application Version: 1.0.0.0
Application Timestamp: 522f769d
Fault Module Name: ffxiv.exe
Fault Module Version: 1.0.0.0
Fault Module Timestamp: 522f769d
Exception Code: c0000005
Exception Offset: 0024312e
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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otherwise right when i hit login it hits me again and again until i reboot
never had any system crashes in phase3/4 and nothing has chaned on my machine so just curious why its been happening ever since live play