INT 15 U - DESQview/X - ???                                                     
	AX = DE29h
	BX = 0000h
	???
Return: CF clear if successful
	    ???
	CF set on error
Notes:	DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
	under DESQview 2.60, this function and all other subfunctions of
	  AX=DE29h always return CF set, as they are unique to DESQview/X