I am getting following error messagae , When I try to access respective tree node (umbraco 4.5.2)
POST .../umbraco/webservices/TreeClientService.asmx/GetInitAppTreeData
500 Internal Server Error jquery.js?cdv=1 (line 130)
As following is the Image for the same.
I have also try by setting my IIS Application pool to Integrated Mode , but it's also did not working.
Found the Solution.
Issue was in following folders. (Some file might be missng)
umbraco
umbraco_Client
So I have replaced both folder from fresh download umbraco.