Always Error: is_event_found when update

[quyen194]

I have two version:
31.0.1650.57 ==> add event: install => install ok for first time installing

31.0.1650.58 ==> what ever i do: add event (any) or not add, when update it alway show debug message box: is_event_found

[shashkin]

I can not know what can be wrong with your set up.
You have Omaha log and you have Omaha source code.
Please, try to investigate yourself, which event is missing and why.