What is this? Not enough memory?
setiathome_CUDA: CUDA Device 1 specified, checking...
Device 1: Quadro FX 570 is okay
SETI@home using CUDA accelerated device Quadro FX 570
V12 modification by Raistmer
Priority of worker thread rised successfully
Priority of process adjusted successfully
Total GPU memory 268107776 free GPU memory 211175424
...
Yep, needs nearly 220 MiB free GPU memory even though the application only allocates 89 MiB. Some others with 256 MB cards have found ways to reduce what's used for Windows, but it's a tight squeeze.
Joe