cannot find 'file:///D:\ '.make sure the path or internet address is correct

[bharat kumar]

Hi,
i am using RadUpload control for uploading files.after uploading a file when try to open it i am getting below error.
cannot find 'file:///D:\ '.make sure the path or internet address is correct

while the file is successfully uploaded and it is there in the containing folder.

this error is coming only on test and production server after deploy the application on IIS.

in development the same is working fine.

there is no issue of permission also.the folder is having administrator rights.

please help.

waiting for your reply.