Hi I have just  started to investigate Replica studios plug in. In general I think its great. But it does seem to be a little unstable on my PC. I tried it out with a quick three seconds or so of text and it didnt really sound that great when you change the profile of the voice I choice. It also crashed several times when i tried to render it.
I followed all the install instructions, and when i tried to use the link it comes up with an error all the time. 
I dont think its my character because im using Iclone 7.92 and CC3 and the character was created as usual. 
Im assuming the said animation is when the head animates along with the visemes. But saying that, the visemes and lip sync are brilliant.
Just wondering if anyone had any thoughts.
Thanks

76% of original size (was 661x19) - Click to enlarge

You may have to enable the ExPLus expressions for the character as I explain in this post: https://forum.reallusion.com/FindPost487700.aspx.

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76% of original size (was 661x19) - Click to enlarge

Just for info - I have been playing also with Replica using CC3+ and ExPlus expressions and wow I am amazed. No issues at all with crashing here.

If you'd like me to try something to help you rule out but I think the ExPlus is a big thing.