i have a fresh install of drupal 5.7 and the latest uc from http://bazaar.ubercart.org/drupal5/, installed the uc_paypal module script provided by ryan (above) and it all works fine

glock to get this download thing working make sure you have the fix installed and then make sure:

You must have the following modules installed and activated:
File Downloads
Notify
Workflow-ng UI
Workflow-ng

Set the following conditions to enable a purchased file download.

drupal/admin/users mang/access control/anonymous > uc_file module/download file enabled for registered users

drupal/admin/build/workflow-ng setup a configuration to condition> check order balance= Balance is less than or equal to $0.00. and i have another condition set on mine to> check the order payment method set to paypal (not sure if this is needed?)
ACTION> update the order status, order status set to completed

Store administration/products/product/ edit/ features/ There is a tab called “Features” at the top, enable file download.

Store admin/config/notification setting/checkout notifications Set to “Send order confirmation e-mails to customers after checkout.”

store admin/notification setting/edit(top)/file download “send email to customer with file download link(s) “ checked

store admin/config/products settings/edit (at top)/product features and set up the “file download settings” and make sure order status is completed

over at your paypal have this set;
a) Click on "Website Payment Preferences" under the "Selling
Preferences" section:
b) Enable "Auto Return"
c) Set the "Return URL" to
http://www.yoursite.com/uc_paypal/wps/complete (be sure to fill in
"your site domain appropriately")

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hey ryan,

will future releases have the corrected script in the uc_paypal module?