http://www.nvidia.com/object/winxp_2k_56.72

All of a sudden, out of nowhere ....
Just a couple of weeks after 56.64 driver release ....

Btw this is what they fixed:

• GeForce FX 5200/FX5900/FX5950 Ultra, Windows XP: Far Cry (Patch 3) water is rendered incorrectly.

• GeForce FX 5200/FX 5600, Windows XP: Star Wars Galaxies
performance is poor.

• Windows XP: Presentation Director eight-bit test screen is not
displayed correctly.

• GeForce FX 5200/FX 5900/FX 5950 Ultra, Windows XP: ʺPlay On My TVʺ option within the NVIDIA panel is not available when playing a media file.

• Windows XP: OpenGL viewperf crashes or is extremely slow if the Physical Address Extension boot option is enabled.

• Gameprofiles: Name of the .exe for Return to Castle Wolfenstein
profile is wrong.

• Apocalyptica crashes when 3D stereo is activated and then
deactivated.

• GeForce FX 5950 Ultra, Windows XP: In the game Splinter Cell
Pandora Tomorrow, white flashes occur on a character with
antialiasing enabled.

• GeForce FX 5950 Ultra,Windows XP: Fogging effect is not applied to distant trees in the game Far Cry.