http://bugs.winehq.org/show_bug.cgi?id=58167
--- Comment #2 from Jonas winehq@jonass.user.lysator.liu.se --- (In reply to Michael Setzer II from comment #1)
Which version of Pegasus are you using? 4.80 or 4.81pb3? Have you uninstalled the IERenderer
Pegasus Mail Version 4.80 (as stated in the URL field of this issue).
Didn't uninstall IERenderer using the uninstall.exe. I removed the IERenderer files manually.