In some rare circumstances, ENS Threat Prevention on-access scan (OAS) can cause a blue screen error while you install or upgrade third-party software.
The system crash file includes references to
BugCheck 3B and
mfencbdc.sys.
Crash details:
00 ffffaa00`2a1eb098 fffff803`3c36d129 nt!KeBugCheckEx
01 ffffaa00`2a1eb0a0 fffff803`3c36c8bc nt!KiBugCheckDispatch+0x69
02 ffffaa00`2a1eb1e0 fffff803`3c36838d nt!KiSystemServiceHandler+0x7c
03 ffffaa00`2a1eb220 fffff803`3c2ab421 nt!RtlpExecuteHandlerForException+0xd
04 ffffaa00`2a1eb250 fffff803`3c2aa1d4 nt!RtlDispatchException+0x421
05 ffffaa00`2a1eb950 fffff803`3c36d202 nt!KiDispatchException+0x144
06 ffffaa00`2a1ec020 fffff803`3c36b6e1 nt!KiExceptionDispatch+0xc2
07 ffffaa00`2a1ec200 fffff803`3c352336 nt!KiPageFault+0x221
08 ffffaa00`2a1ec398 fffff80e`dbbbdbb5 nt!wcsicmp+0x6
09 ffffaa00`2a1ec3a0 00000000`00000000 mfencbdc+0x4dbb5