You are downloading the SocialBox Live XAP file v126.96.36.199 for Windows Phone. SocialBox Live is a free and useful Social app: SocialBox Live allows you to find other Xbox Live gamers on Windows Phone, so you can compete on the leaderboards!Features - Find other ... You can now download the offline XAP file to install & try it.
Download Locations for SocialBox Live 188.8.131.52 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline SocialBox Live XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.