SketchUp Version: Hi, i'm using sketchUp 8  and i built a house i'm proud of all on my own, i want to upload it to the warehouse so i can show it off, but when i do after i sign in it tells me "sign in error. before using this 3D service, you must choose an account nickname" How the hell do i choose an account nickname??? i've looked EVERY WHERE and can't find a "manage account" or anything that would allow me to pick a nickname.... and it just goes away when i click ok instead of letting me choose one, please help, i worked really hard on my house and i didn't use anyone elses models i did it all on my own and want to share it!!