You are downloading the Quick Wifi XAP file v18.104.22.168 for Windows Phone. Quick Wifi is a free and useful Productivity app: One-click to setting ... You can now download the offline XAP file to install & try it.
Download Locations for Quick Wifi 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 Quick Wifi XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.