You are downloading the RemoteDesktop XAP file v22.214.171.124 for Windows Phone. RemoteDesktop is a free and useful Productivity app: Remote Desktop will securely connect to any Windows XP, Vista, 7, 2003 Server or other Windows computer running at least Professional (Home Premium ... You can now download the offline XAP file to install & try it.
Download Locations for RemoteDesktop 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 RemoteDesktop XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.