How to delete an image file which is being used by other processes

Question

hai expert.........
I am using a PictureBox Control in Windows Application. while loading the image into the picture box control i am saving the image into a folder with a particular name, later i am saving another image with the same name using picturebox.image.save method. then it is giving error saying that the file is being used by other processes.

plaese give me a solution..........
thanks in advance........