I have just discovered dsmerror.log and it contains the following error
multiple times over many days. Is this why my gui just fades away?

12/02/97 09:51:54 ANS8001E Internal error in this graphical user interface.
Try
 one of the following in the order listed:  1) close this window and reopen
it
2) close this object and reopen it  3) shut down this graphical user
interface a
nd restart it  4) save dsmerror.log residing in the directory specified by
DSMG_
LOG and contact your service representative for assistance.|Graphical User
Inter
face - Internal error
12/02/97 09:51:54 ansccom.c (4127): ConfirmWindow:  DeltaFunction failed.
RC =
802
12/02/97 09:51:54 anscsub.c ( 537): ConfirmWindow failed.  RC = 802