Probleme with GFlash

I dont know wat has happen with my GFlash, it doesnt read my my W800 anymore, I always used it to apply my patches but now I can do nothing!!
Can anyone tell me wats wrong, I hav download it again and tryed it on another PC but it just dont want to read my fone anymore!!
Please Help, Anyone!!

does your fone work well as before?

Yes, my fone is perfect, I tried just now to flash it back to K750 but it still doesnt read my fone, PLEASE HELP, i need to install patches!!

Please HELP Anyone!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!