You are downloading the AppDetective XAP file v22.214.171.124 for Windows Phone. AppDetective is a free and useful Productivity app: Are you waiting for those cool apps on iPhone and Android to appear on the Windows Phone Store so you can install them on your Windows ... You can now download the offline XAP file to install & try it.
Download Locations for AppDetective 126.96.36.199 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 AppDetective XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.