You are downloading the Prokon2 XAP file v126.96.36.199 for Windows Phone. Prokon2 is a free and useful Business app: Time study application used to measure cycle- and setup-times in manufacturing ... You can now download the offline XAP file to install & try it.
Download Locations for Prokon2 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 Prokon2 XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.