I was using 27.10 and had to reboot to run the 3D Marks , was getting could not get focus on window error.... Worked after first reboot then did not work after.....
Went back to 23.12 drivers and everything was stable again.
Specs: 1.7 OC'ed 1.9, VisionTek GeForece 3 OC 200/475
Latest 3DMark on 23.12 --> 6640