This bug is documented here and here. http://bugzilla.abisource.com/show_bug.cgi?id=9868 The patch can be found here http://bugzilla.abisource.com/attachment.cgi?id=3656
Created attachment 78432 [details] Patch for AbiWord Spell Check crash This is a copy of the offocial AbiWord patch as posted to the AbiSource bugzilla (referenced in main bug report).
The patch is not enough, there is still a crash when clicking some buttons. See upstream for a second patch (to apply after the first one :(
Fixed in abirowd-2.4.2-r1, sorry for the wait.