文件访问将我带到命令提示符而不是资源管理器

Whenever I go to my command prompt and type a "c:\temp" or any other file/directory, it takes me to the command prompt rather than the file explorer. Can somebody please tell me how I can fix this so that all file/directory access from cmd takes me to the file explorer. I have a Win2k3 64bit machine. Has this got anything to do with the 32bit/64bit explorer ?Whenever I go to my command prompt and type a "