Quoting original submitter: ----- When opening some HTML messages an error parsing the embedded CSS causes the program to quit. HTML viewer is gtkhtml2. Error output snippet: (...) #archive {position:absolute; top:5px; left:350px; width:115px; height:161px; HtmlCss-ERROR **: 1. return -1 aborting... Aborted -----
Should be fixed in 3.7.2.