I had that problem too for a while but it seems that the latest MS upgrade has fixed the problem. I know Google has been changing things up for the past month or so and the other Keyword tools that I have are not working at all. MS seems to be the only one that is on top of the changes at the moment.
MS seems to lock on me too about every third time I boot it up. Great tool though, just wish the numbers were more accurate. They are sometimes ridiculously different from what the google keyword tool says. That's not really their fault though as it's standard for all keyword tools.
Yea like hentaihalo said in post #2 MS does not ask for the captcha anymore when you link to an Adwords account and you get results for I think 800 keywords instead of the 100 that Google will limit out at when you don't link to your Adwords Account.
Are you running an official copy or no? if you are MS releases updates very often and it sounds like you might have missed one. I ran into this issue a while ago but when I installed the latest updates it started working again.
If your running a non official copy then not sure you will be able to keep up to date with all their updates
When something changes (like google captcha verifier, or tos or keyword tool),
then MS are forced to modify (update) their software, from here all old or non-updated
softwares will fail to work properly.
i have challenge's m samurai copy, and i once ignored an update, but after that i have always updated it.
anyways tell how i can remove m samurai from my registry. So that i can try reinstalling it i am using win xp sp2