moreman this trainer Blaxpirit is only for ts2 US if u were refering to this one that doesnt work, if u refered to the other one idk sry.
when u want to multi client with blaxpirit do this :
open the game ; open blaxpirit trainer
on the option bar go at the tab before the last 2 there u tick on multi client.
after that u reopen 12sky23 launcher .Now u will get a error asys " Error Find window" or some thing like tht. just click ok and ur game wil open one more time. thats it