Been reported here: http://www.prevx.com/filenames/1905768692712981620-X1/C1.XAML.TILEVIEW.DLL.html
See: http://systemexplorer.net/file-database/file/c1.xaml.tileview.ni-dll &
http://www.isthisfilesafe.com/sha1/9A90283EF00CFCCC29225946DF08372C5FD39490_details.aspx
Consider the reply here: http://www.telerik.com/community/forums/wpf/tileview/where-is-tileview.aspx#965446
“Be sure to be using the beta version of our WPF controls” according to Valentin.Stoychev from the Telerik team,

polonus