New
#71
Ntdll.dll is the syscall interface - literally every transition from user-mode to kernel-mode has to go through those 200 or so functions. If it made sense to call one DLL more "important" than another, ntdll.dll would be _the_ most important :)
There's no evidence yet that the few people on this thread who've reported a "crash in explorer.exe" symptom are all experiencing the same root cause. We'd need to look at crash dumps to understand precisely what's happening.