I too am crashing to desktop while trying to interact with any of the items in my inventory. Here is a crash report from the event viewer in Windows 7. It's made the game unplayable. I've reinstalled the game and patch as well as disabled all graphic settings.

• Provider [ Name] Application Error
  • EventID 1000 [ Qualifiers] 0 Level 2 Task 100 Keywords 0x80000000000000
  • TimeCreated [ SystemTime] 2013-12-18T07:53:40.000000000Z EventRecordID 1274 Channel Application Computer Hotbox Security

• EventData DayZ.exe 0.28.113.772 52b0aaad DayZ.exe 0.28.113.772 52b0aaad c0000005 000bc530 1554 01cefbc5cd161b5d C:\Program Files (x86)\Steam\steamapps\common\DayZ\DayZ.exe C:\Program Files (x86)\Steam\steamapps\common\DayZ\DayZ.exe 819e04be-67b9-11e3-8a78-bc5ff4862ef3