Hello,
Could you please tell us which version of Automation Anywhere you are evaluating? You can check the version from Help->About Automation Anywhere. This issue was fixed in 4.5.1 version.
Is it possible for you to send us your task at
http://www.tethyssolutions.com/ask-the-expert.htm and one of our Automation experts will get in touch with you to help you resolve the problem?
You can locate your task by selecting your task from Task List, right clicking that particular task and selecting 'Locate on disk' from context menu.