thanks for your reply. since i know now, that the problem should be there or in my settings, i will check first with their support. if thre is no solution, i might come back to your suggestion. (and maybe your help, if i can't manage it myself 

Since i added GTguard do my utorrent it seems, that down and uploads not working anoymore here on GTru, since i haven't problems on other sites. Is GTguard not allowed here or what other service would you suggest?
thanks for any inputs.