I have to say that a no-reply from the author of this plugin is extremely disappointing.
I need to warn everyone that at no time this plugin should be left enabled on your site as it is extremely resource intensive and will crash your server pretty fast, particularly if you are on a shared hosting. This plugin almost caused me to lose my baby account with Hostgator, as my account has been suspended 3 times in the past 7 days. I have been forced to remove this plugin from all my sites eventually, and only this caused the server to finally come down.
While it appeared the plugin did a good job on some sites removing broken links, it was also totally useless on others. It would find the broken links but would not give me a list of links, just a blank page.
I guess it only works well on smaller sites that don't have thousands of links. I still have it on some other accounts with my smaller sites, and there has been no complaints from the host with regard to spikes in sever loads.
Anyway, this has been an extremely frustrating experience and the fact that I have not heard back from the owner of the plugin, tells me this is an issue he is aware of but unable to resolve.