http://bugs.winehq.org/show_bug.cgi?id=8795
--- Comment #21 from Dmitry Timoshkov dmitry@codeweavers.com 2008-06-13 23:23:21 --- (In reply to comment #20)
BTW, using DCOM98 does enable VBA usage, but inhibits the execution of more instances of excel, giving the "IOPL not enabled" error when trying to execute second instance.
"IOPL not enabled" is the bug 9422. Does installing gdiplus help to eliminate it?