From where does ASP.Net tries to load Assembly files?

The answer can be found if you look at the error message when ASP.Net can’t find the assembly. Below is a list of places it would look for the assembly for Telerik.Web.UI:

LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/Temporary ASP.NET Files/root/7b4cc07f/99d5b9e0/Telerik.Web.UI.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/Temporary ASP.NET Files/root/7b4cc07f/99d5b9e0/Telerik.Web.UI/Telerik.Web.UI.DLL.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/bin/Telerik.Web.UI.DLL.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/bin/Telerik.Web.UI/Telerik.Web.UI.DLL.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/_app_bin/Telerik.Web.UI.DLL.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/_app_bin/Telerik.Web.UI/Telerik.Web.UI.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/Temporary ASP.NET Files/root/7b4cc07f/99d5b9e0/Telerik.Web.UI.EXE.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v2.0.50727/Temporary ASP.NET Files/root/7b4cc07f/99d5b9e0/Telerik.Web.UI/Telerik.Web.UI.EXE.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/bin/Telerik.Web.UI.EXE.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/bin/Telerik.Web.UI/Telerik.Web.UI.EXE.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/_app_bin/Telerik.Web.UI.EXE.
LOG: Attempting download of new URL file:///C:/inetpub/wwwroot/wss/VirtualDirectories/80/_app_bin/Telerik.Web.UI/Telerik.Web.UI.EXE.