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the crash problem could be old script from NppScripting based ZC you are using in jN. Is it so?
If no, I need steps how to reproduce the crash. NppDump.dmp from crash were very nice. It could be in Npp folder or %temp%.
Please try with clean Notepad++ installation and clean jN without any own scripts. It works by me without any crashes.
Try to start Npp as administrator.