Could you post the screenshot of the error that pops up? What browser are you using when this happens?
Chess Mentor Hanging Up And Crashing!

dualbishops
I'm tracking this thread. If you can, as philidor_position has asked, post a screenshot along with browser you're using, I'll try and replicate to see where the issue is coming from.
Thank you. I'm going to do some drills with Chess Mentor later and if the error pops up, I'll post a screenshot. :)
dualbishops

Curiously enough, I got a message llke that earlier today during a Tactics Trainer session. Some details: Firefox 3.6.25/Windoze XP SP3/2GHz Pentium Dual CPU/2GB RAM
The error message:
The response that appeared in the new popup window:
{"controls":[{"id":"Qform__FormState","data":"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
I love Chess Mentor. There's no doubt about the value that this tool has for training. HOWEVER, in a middle of a training session, after making my move, Chess Mentor would just stop and hang up. Then after a couple of minutes of waiting, an 'AJAX' kind-of error pops up and I have to close the window, open the same lesson to start where I got off, and the 'hanging and crashing' strikes again.
This just drives me nuts. It takes the momentum out of my training. Is there any way to fix that? I hope there is.
dualbishops