ODK Aggregate upload to Google App Engine failed

Dear Yaw,

Please i have finish installing ODK aggregate and the last step to upload
the the Aggregate is not working.
I followed the steps for the installation as descriped on the
I used internet explorer to run the generated script.
I copied the file path to the exception list in Java Control Panel and
disabled my firewall on my machine but still not working...the
script is unable to upload the aggregate onto Google App Engine
I get error message the reads: an error has occured in running this script
on this page.

Please help me out..