Explorer.exe crash || Faulting module:ntdll.dll file

Its been months that my explorer.exe is crashing at least once a day. I used event viewer to get this detail Code: --------- Faulting application name: Explorer.EXE, version: 6.1.7601.17567, time stamp: 0x4d672ee4 Faulting module name: ntdll.dll, version: 6.1.7601.17725, time stamp: 0x4ec4aa8e Exception code: 0xc0000374 Fault offset: 0x00000000000c40f2 Faulting process id: 0x61c