http://bugs.winehq.org/show_bug.cgi?id=27436
Dan Kegel dank@kegel.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |dank@kegel.com
--- Comment #2 from Dan Kegel dank@kegel.com 2011-06-09 20:53:34 CDT --- Did you copy the plugin to the right wineprefix?
"winetricks firefox" installs it to ~/.local/share/wineprefixes/firefox/drive_c/...
"winetricks --no-isolate firefox" is the command needed to install it into the default wineprefix.
Also, your cp commands used backslashes, are you sure you got that right?