Got Same crashes. Repairing game, installing different versions of drivers do not help.
Event logger says
Spoiler
Faulting application name: bf4.exe, version: 1.2.0.1, time stamp: 0x532998a1
Faulting module name: nvwgf2umx.dll, version: 9.18.13.3489, time stamp: 0x52f651b0
Exception code: 0xc0000005
Fault offset: 0x00000000000eeba9
Faulting process id: 0x1c58
Faulting application start time: 0x01cf5a6a28706041
Faulting application path: F:\Origin Games\Battlefield 4\bf4.exe
Faulting module path: C:\Windows\system32\nvwgf2umx.dll
Report Id: 8fef42d3-c65f-11e3-83c4-f07d68c899cf
Problem started appearing on 15.04, probably after Windows Defender update KB915597 (Definition 1.169.2651.0). But at the same time defender is turned off, so I don't know.
