i have the same problem iused endnote x8.2 and word 2016.12 and when i cite it crashes so i tried to use a blank document but it keeps on crushing.
i down graded to word 15.41 now it gives an error
Microsoft Error Reporting log version: 2.0
Error Signature:
Exception: EXC_BAD_INSTRUCTION
ExceptionEnumString: 2
Exception Code: 0x00000001 (0x00000001218d784d)
Date/Time: 2018-04-12 08:41:45 +0000
Application Name: Microsoft Word
Application Bundle ID: com.microsoft.Word
Application Signature: MSWD
Application Bitness: x64
Application Version: 15.41.0.17120500
Crashed Module Name: EndNote CWYW Word 16
Crashed Module Version: 18.2.0.13302
Crashed Module Offset: 0x00000000000f4df5
Blame Module Name: EndNote CWYW Word 16
Blame Module Version: 18.2.0.13302
UnsymbolicatedChecksum: CC40C1EEA4FB7A7A0C85B0498EFE500A
Blame Module Offset: 0x00000000000f4df5
StackHash: 4042bec9242ddfe5-dm_2_main
Application LCID: 1033
Extra app info: Reg=en Loc=0x0409
Build Type: SHIP
Crashed thread Stack Pointer: 0x_00007ffee0682550
Audience: Production
AudienceGroup: Production
AudienceChannel: CC
Crashed thread: 0
Thread 0 crashed:
it happens for me even with a new document .