I would suggest restarting PC and opening the auto-patch again.
Did the reboot and still experiencing same issue. Actually pulled a v13 client backup I had and it is having the same issue as well
Edit: added screenshot that popped this time
Edit 2: my update.log file
2016/12/28 21:32:00Skip existing files=./gfx/textures/序列/5.dds
2016/12/28 21:32:00Skip existing files=./gfx/textures/序列/6.dds
2016/12/28 21:32:00Skip existing files=./gfx/textures/图案/huan01.dds
2016/12/28 21:32:00Skip existing files=./gfx/textures/图案/琥珀朱绫2.dds
2016/12/28 21:32:00Skip existing files=./gfx/textures/图案/琥珀朱绫底色2.dds
2016/12/28 21:32:01Download file=./data/element.data
2016/12/28 21:36:22Verify files fails