WINSTART.EXE
There are multiple instances of "WINSTART.EXE".
Most commonly, winstart.exe refers to a program that will perform the shellexecute API call without launching a command prompt. In plain English, this utility can be used in "Autorun.inf" to detect and launch a program.
Winstart.exe is a program that allows you to start programs conditionally, map network drives, update local files from the network, display messages to groups of users, run programs
Winstart.exe is also the name of a 3rd party program that creates a moveable start button for Winodws 95.
Finally, there is a virus called Dropper/Winstart.
Usually Safe