http://bugs.winehq.org/show_bug.cgi?id=10142
--- Comment #43 from Nikolaj sheller nikolaj@sheller.dk 2009-12-01 03:30:38 --- I have now tested with wine 1.1.33 on Ubuntu Karmic with Lotus Notes. Notes disappeared the first time I changed to a new workspace and back again.
Oddly this only happens when Notes is in focus.
No odd log statements asides from: err:win:DefWindowProcW called for other process window 0x10020 (this is logged continually, but does not seem to effect Notes).