http://bugs.winehq.org/show_bug.cgi?id=27248
--- Comment #4 from fracting fracting@gmail.com 2011-08-08 14:04:47 CDT --- Hello , --single-process work around for this.
$ wine chrome --no-sandbox --single-process
Reference: http://code.google.com/p/chromium/issues/detail?id=59111#c19 Issue 59111: All Extensions Fail to Install with "Can not unpack extension. ..."