The most important change is the support for another version of ArccoS.

4.5.4.1 (beta), 2005 01 15

- New: Added support for a new version of the "Sony ARccOS
protection" as found on "The Forgotten" (US) to the option
to remove "Protection based on unreadable Sectors"
- New: Added support for the "Settec ALPHA-DVD protection"
as found on "Old Boy - Final Edition" (Korea) to the option to
remove "Protection based on unreadable Sectors"
- New: Added names of protection (Arccos, Puppetlock, ALPHA-DVD)
to information window.
- New: Added Video Standard to information window
- New: Added option to deactivate the CSS key archive
- Change: Filesystem locking, to fix problems with autoplay
- Change: Background of settings dialog
- Fix: Information window could show garbage characters
- Some minor fixes and improvements
- Updated languages

Current download location:
http://update.slysoft.com/SetupAnyDVD4541.exe

說明：
會再由v4.5.3.1 beta更新至v 4.5.4.1 beta最主要是因為
這張The Forgotten（Region 1,American version)
此張DVD影碟採用的是GY的新Sony ARccOSOS防拷技術，不同於先前的Sony ARccOS的舊款防拷之處在於
這張The Forgotten似乎是在DVD影碟至作完成後使用手工或相關手工使用工具再增加至DVD影碟上面，Sony SRccOS真是GY
以下是這張DVD影碟在CD Freaks論壇裡得討論
http://club.cdfreaks.com/showthread.php?t=121719