Had O&O Defeg,freeware edition.
Upgraded to O& O Server Edition,removed freeware edition as required but when trying to install the new version am getting the message that there are still system files installed and the upgrade cannot continue ? How do I completely remove the old version ??

Windows XP Pro
Athon 850
512MB RAM
Service Pack 1


Any help would be greatly appreciated !

ps. Also tried removing the prog file , but to no avail