If you use Backlink Submitter software in the past without any problems, then you're lucky. Today, if you were to use it you'll discover a problem. Here's what happen and is still ongoing.
First you'll get the demo software, when the time trial expires you can download the full version for $67 dollars via Paypal. Now, instead of Backlink Submitter e-mailing you the key upon purchase, they want you to go to "www.backlinksubmitter.com/customers"to registered. In other words, they want you to jump through several hoops just to get a key. It's like they demand you to register in order to get a key.
Here's the problem, there customer page to get the key is down. It's full of Google Adsense and it has another URL called softwar3.net. Now you are out of $67.00 and the administrator of the site is not responding. It's not professional at all. What's worst is they have a affiliate link to promote there bogus software.