The NWN2_v105BETA-v104_REVERT_en_US.exe file you have requested: Official Patches / v105 / Neverwinter Nights 2 v1.05 to 1.04 Revert Patch - 24.53mb is not available. Perhaps try browsing all files for the game Neverwinter Nights 2 and upload any files you want to share or are missing. This is the only information we could locate:
Obsidian has released the NWN2 1.05 Beta patch for the community to download and test prior to the final release. When you are done, here is the revert patch to take you back to 1.04.