YoVille will NEVER ask for your password, so please be wary of malicious emails and/or forum posts that request your password, including via web links.
What works for me is to log out of fb and log back in. If that doesnt work my last resort is to restart my computer and it usually works fine then. Hope this helps
Yupp sometimes mine shows as 1 person online, sometimes 2 if I'm lucky & I can't add many new people, when they or me accept, the buddy doesn't follow through