Battle.net keeps crashing on Ubuntu 14.04 [closed]
You need to make sure dbghelp is disabled.
winecfg
then go to the 'libraries' tab and type 'dbghelp' in the 'New override for library:' box. Click 'Add'. When you do, a warning will appear, accept the warning and then 'edit' your new override to 'disabled', and then hit 'Apply'.