This bug doesn't affect everyone but if payments aren't archived when clicking the archive button in the Paypal Mass Pay feature, you need this patch.

Download the ZIP file below.  Unzip the package to your local computer system.  Using FTP, upload the new paypal_mass_pay.php file to the /admin/ folder of your installation. Use AUTO-DETECT or ASCII mode when uploading and allow the new file to overwrite the old file.