I have been experiencing consistent crashes on the DX11 client ever since I made the upgrade to windows 10. My crashes would almost always happen if I went afk for more than a couple minutes or if I Alt-tabbed for any reason. I checked the reliability monitor and of my 3 crashes in about 2 hours I got 3 separate crash reports they are here:
1.
Problem Event Name: APPCRASH
Application Name: ffxiv_dx11.exe
Application Version: 1.0.0.0
Application Timestamp: 56df1f57
Fault Module Name: XAudio2_7.dll
Fault Module Version: 9.29.1962.0
Fault Module Timestamp: 4c0643cc
Exception Code: c0000005
Exception Offset: 0000000000034c29
OS Version: 10.0.10586.2.0.0.768.101
Locale ID: 1033
Additional Information 1: b7c2
Additional Information 2: b7c2945b8cf26996af5f32cb2b33bb61
Additional Information 3: e80f
Additional Information 4: e80f6a724a16454cf6a9ca05bc3c56d1
2.
Problem Event Name: BEX64
Application Name: ffxiv_dx11.exe
Application Version: 1.0.0.0
Application Timestamp: 56df1f57
Fault Module Name: StackHash_ac46
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Offset: PCH_5F_FROM_ntdll+0x00000000000A5C24
Exception Code: c0000005
Exception Data: 0000000000000008
OS Version: 10.0.10586.2.0.0.768.101
Locale ID: 1033
Additional Information 1: ac46
Additional Information 2: ac462b2fd07cc853b652b5104a1cf381
Additional Information 3: 1d77
Additional Information 4: 1d77e0d685bfd70a191349d70418161b
3.
Problem Event Name: APPCRASH
Application Name: ffxiv_dx11.exe
Application Version: 1.0.0.0
Application Timestamp: 56df1f57
Fault Module Name: ffxiv_dx11.exe
Fault Module Version: 1.0.0.0
Fault Module Timestamp: 56df1f57
Exception Code: c0000005
Exception Offset: 0000000000fe63e5
OS Version: 10.0.10586.2.0.0.768.101
Locale ID: 1033
Additional Information 1: 114d
Additional Information 2: 114d93c2f14bfb15f62656b8733e5e43
Additional Information 3: 2d44
Additional Information 4: 2d4418a5a8fbbc028acbe86eb00bacca

to provide some additional Info my system set up is:
CPU: Intel Core i5-6600K 3.5GHz Quad-Core Processor
MoBo: Gigabyte GA-Z170MX-Gaming 5 Micro ATX LGA1151 Motherboard
Mem: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2133 Memory
SSD: Samsung 850 EVO-Series 500GB 2.5" Solid State Drive
GPU: XFX Radeon R9 280X 3GB Double Dissipation Video Card