@ubi-mark sorry for late response, thanks for help issue is solved, I did this methods:
change my windows to newest version : windows 10 pro 21H1 19043
copy game SSD hard
update graphic card to Nvidia 477.11
motherboard drivers
but I don't know which one solved crash
and verify game files (it's found corrupted file and it's was low size file because download complete less than 1 sec).
Thank you

@ubi-mercury i will try them.

@ubi-mercury sorry it's late, my internet is not good (low speed)
this link no difference with HQ setting or LQ setting always happen:

@ubi-mercury ok I record clip now

@ubi-mercury hi
no nothing, just black screen and 1 sec shows save logo right bottom of screen (process of saving and starting new event and zone and loading) then it's crashed (like when you alt+f4 game) nothing shows. if you want i can take video and share with you.

hi
after I update game to version 1.2.2, I start fresh game (delete all my saves I had), whenever I start "The Seas of Fate" to sail England, at end of the quest after assassin's creed Valhalla logo disappear and game goes black screen to load new map and zone it's crash every time exact place.
I tried copy game in SSD hard.
I tried low graphic and window mode.
I tried new game, delete all save before.
my system:
Nvidia 1060 6g
16g ram
i3-9100f 3.60Ghz

what can I try to fix this issue.