In Joomla! 1.5 after completion of an order user gets logged out, specially when clicking on 'Follow this link to view the Order Details.' user is greeted with the 'Error: You do not have permission to access the requested module.' message.
I am using FireFox, can't use IE due to this error http://forum.virtuemart.net/index.php?topic=32011.0
Joomla 1.5 r9272
VirtueMart 1.1 r1015
PHP Built on: Linux garland 2.4.29
Database Version: 5.0.24a-standard-log
Database Collation: utf8_general_ci
PHP Version: 5.2.3
Web Server: Apache/2.0.54
Confirmed using Firefox, IE6 and IE7
Database Version: 4.1.22
PHP Version: 4.4.4
Web Server: Apache
VirtueMart 1.1: Ver. 1016
Joomla! Version: Joomla! 1.5 Beta3+ Rev 9251 18/October