By default, when you click on the My Computer icon, you get a display
of all your drives, the Control Panel etc. If you would like to have
this open the Explorer:
1. Open RegEdit
2. Go to HKEY_CLASSES_ROOT\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\Shell
3 . Add a new Key named "Open" if it does not exists by right clicking "Shell"
and selecting new.
4. . Add a new Key named "Command" by right clicking "Open" and selecting new
5. Set the (Default) value for the Command Key to "Explorer.exe" or
"C:\Windows\Explorer.exe"