The log shows the .chm file as being created in the ndoc3_msdn_temp folder whereas it actually ends up in the parent folder. Could you either correct the log message or, if the .chm file is moved to the parent folder later, output another message to show where it is really located.
Thanks for the bug report, didn't notice this. I will look into the problem, and provide a better solution. I will update this report when it has been fixed.