Thank you all!
I found it man ! Debugged from 15h o clock till now!
Problem was a WMV - rendered via media_loop on a Skin of a TV entity in combination with ShadeC evo - material applyed + Level_load instruction called twice.
lol
What a fight !!!
...man i hate those lets debug from the start - bugs !
And know what...iam afraid of pressing the "Compile" - button, i really am.
edit: i LOVE killing bugs, i really do ahhhhhhhhhhh