I have two avis, one will work fine with all menu animations,the other one won't start the same anim

[Alwin Alcott]

perhaps try another viewer  ... singularity is outdated

 

[Alwin Alcott]

perhaps try another viewer  ... singularity is outdated

 

[Rolig Loon]

Alwin's right.  The Singularity viewer hasn't been updated for a year now.  You can expect more and more of its functions to fail as time goes on. Install the standard SL viewer or a current Third Party viewer instead.