In a response to frequent Blue Screens of Death (BSoD) being had due to the (poor) implementation of SecuROM in Neverwinter Nights 2, Obsidian Entertainment have released a patch that, three years after release, "modifies" it -- some say altogether removes it -- and fixes the issue; the disk check component is gone, too, so you no longer need your disk in the drive to play the game.

Aside from that, there are various bug fixes and the implementation of Instant Feats. Release notes are below; the patch can be had through the game's auto-updater, though should surface on the likes of FileFront, too, shortly.

• Modified the SecuROM implementation. This should remove some of the crashes people have experienced with 1.23, and you no longer need to have the game disc in the drive to play the game.
• Fixes for AMD Athlon XP chips that were experiencing some crashes.
• Enabled Instant Feats.
  
• Athlon XP crashes upon launching autodownloader in-game fixed
• Athlon XP crashes when launching toolset fixed.
• SecuROM - Blue Screen of Death issue resolved. Game disk dependency removed.
• Instant feat column added to feats.2da
• Toolset: plugin warning message no longer hides behind the splash screen
• Toolset: Bottom entries no longer get truncated in the blueprint palette (and other locations that use the new filter)
• Toolset: 2GB limit when staging files for Autodownloader has been fixed.