Scrapebox Link Checker very slow

Anyone elses Link Checker very slow? I am constantly seeing slow & poor speeds, with the real time to say check a 1000 links being easily 5 times as long as the "time spent on task" counter. Eg Scrapebox says 5 minutes, but it took over half an hour.

Shouldnt be my pc as I have two copies on two machines and a fast internet connection.

Link checking is slower than the actual posting!

Nah there has to be something wrong there.

Mine is way faster, but I have issues of freezing up every now and then.

So you find Scrapeboxs own "time to complete task" counter to be accurate then?