In many cases Microsoft does answer those submissions. Windows explorer is the basic GUI. Why it closed is most likely in those details.
Can you open the Details and copy paste or transcribe back here?
Also:
Look in your Event viewer: rt. click My Computer then click Manage then Event Viewer.
Or: Administrative Tools/Event Viewer or Start/Run/ eventvwr
Open the system as well as the application tabs & look for red
X errors. Click error line for details.
Post back the source & event id & Description especially of errors that seem to coincide with this issue.
Also check the Information lines that might coincide with this issue.
How to view and manage event logs in Event Viewer in Windows XP