Are you sure it's just on Mac,have you tried on PC?   Do you have any other rules in include or perhaps a conflicting rule in exclude? Try running a single exclude rule, also on another small site to test.

Also from support if failing on all fronts:

• Mac version, please make sure you have the most up to date version of the OS which will update Java.
• Please uninstall, then reinstall the spider ensuring you are using the latest version and try again.

To be sure - http://www.youtube.com/watch?v=eOQ1DC0CBNs

your directories have duplication.  For example: http://www.titanappliancerepair.com/about-us.html and http://www.titanappliancerepair.com/about-us

You may also need   RewriteRule ^(.*).html$ /$1 [R=301**,**L]

It looks like you are redirecting any URL back to itself.

You want something like this which will remove index.html and enforce a trailing slash-

RewriteRule ^(.*)/index.html$ /$1/ [R=301,L]

thanks. You've confirmed my thoughts on doing a thorough spring clean.

Thanks Chris.  Yes I agree no harm.  To be honest this is in the mix of getting Partial Matches: Unnatural links to your site—impacts links       "...so for this incident we are taking targeted action on the unnatural links..."

I don't totally subscribe to Google just removing link flow from the links they refer to and that's that nothing to worry about. So in the back of my mind i'm looking at a complete purge even if not technically applicable.

Looking at the link profile anchor text of a site i'm working on new links keep popping up in the reports with let's say very distasteful anchor text.  These links are obviously spam and link to old forum pages for the site that doesn't exist any more, so the majority seem to trigger the 404 page.

I understand that the 404 page (404 header response) does not flow any link power, or damage, but given the nature and volume of the sites linking to the "domain" would it be a good idea to completely disassociate and disavow these domains?

You might possibly have to detail the white-space explicitly with \s

RewriteEngine On
RewriteRule ^old\sfoldr/(.*) /newfolder/$1 [R=301,NC,L]