You are downloading the MeetupToGo XAP file v18.104.22.168 for Windows Phone. MeetupToGo is a free and useful Business app: Meetup, find your people, set up your groups, share an ... You can now download the offline XAP file to install & try it.
Download Locations for MeetupToGo 22.214.171.124 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 MeetupToGo XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.