Yahoo! メッセンジャ・[. The most popular versions of this product among our users are: 5.1 beta and 5.1. The name of the program executable file is YPagerJ.exe. The product will soon be reviewed by our informers.You can check Yahoo Password, Yahoo! Mail Checker, eBay Toolbar Featuring Yahoo! and other related programs like Yahoo! Emoticon Assistant at the "download" section.