NickName:micheal barrons Ask DateTime:2015-07-18T21:23:41 Could not load file or assembly 'system.net, version=2.0.5.0' on VS2015 RC universal when using youtube api With the code below, using Google.Apis.Services; using Google.Apis.YouTube.v3; var searchListResponse = await searchListRequest.ExecuteAsync(); I get error Could not load file or assembly 'system.net, version=2.0.5.0' on VS2015 RC universal I tried the old version of youtube and the newest version but I still get this error. Copyright Notice:Content Author:「micheal barrons」,Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.Link to original article:https://stackoverflow.com/questions/31491615/could-not-load-file-or-assembly-system-net-version-2-0-5-0-on-vs2015-rc-unive Answers