Hi Suaro - glad to hear you are finding LogViewPlus helpful. Thanks for the feedback. 
I am not sure where you are going wrong, but I am able to get a good parse of the log entry with the configuration pattern:
%d{yyyy-MM-dd %H:mm:ss,fff} %p [%t] %c: %m%n

I believe this displays the result you are looking for:

The problem may be in your date time settings. Make sure that your display setting define a millisecond for output. My settings are the default for my current region:

Hope that helps,
Toby