You are downloading the PC File Download WP8 XAP file v22.214.171.124 for Windows Phone. PC File Download WP8 is a free and useful Productivity app: The app requires HFS HTTP file Server running on the PC. Please download the HFS.exe from http://1drv.ms/1gzY1c9.Removed all cosmetic stuff ... You can now download the offline XAP file to install & try it.
Download Locations for PC File Download WP8 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 PC File Download WP8 XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.