My problem is that I'm getting an atomizer short with my RX300. I can't upgrade the firmware on my mod using the Wismec software on my Mac. I would like to try NFE Toolbox but I own a Mac computer and the only PC that I have is too old to install it. I can't ask a friends to install the program on their PC due to fear that the program will mess up their computer and I do not wish to buy a new PC just to get my RX300 to work. I'm asking anyone around the Wilmington area to the Triangle Area and parts in between if they could help me in getting my RX300 working again. Thank You.