http://bugs.winehq.org/show_bug.cgi?id=6807
Summary: Sunbird crashes on first run Product: Wine Version: 0.9.26. Platform: All URL: http://appdb.winehq.org/appview.php?iVersionId=6183 OS/Version: Linux Status: NEW Keywords: download, source Severity: normal Priority: P2 Component: wine-x11driver AssignedTo: wine-bugs@winehq.org ReportedBy: mike@codeweavers.com
Sunbird crashes the very first time your run it. You can make it happen again by deleting
~/.wine/drive_c/windows/profiles/`id -nu`/Application\ Data/Mozilla
The crash appears to be a corruption of Xlib's memory.