hi Kassen, > issue (the cause of me not getting into Fluxus?) is actually a NVidea issue. look into suppressing errors, if you provide a suppress file you can ignore the errors in the nvidia driver. > zach at Carillon:~$ valgrind --leak-check=yes fluxus i think you also need the –vex-iropt-precise-memory-exns=yes option. best, gabor