Deep saved me, doing this fixed the issue
Please make sure this is being uninstalled and re-installed as administrator. If you have multiple accounts on your computer operating system, please make sure that you are logged in as an administrator. And please uninstall any past installations of the Obsidian Launcher or any sort or type or version whatsoever as the administrator and re-install it as administrator from here:
http://www.saberforum.com/index.php?topic=11988.0 (this is always the latest version of the Launcher).
Make sure the saber is turned on and then while the saber is already on plug it into your computer with a Mini USB cable. Then run the program and when you run the program please right click it and select "Run as administrator"
Then when you go to upload the soundfont please make sure that you fill each soundbank (boot, power on, power off, etc) yourself, do not leave whatever was in there, even if you are putting the same font in its place be sure that you manually fill each and every bank yourself and then see if it allow you to download the soundfont onto the soundboard. [THIS IS THE MOST IMPORTANT PART, YOU NEED TO
EMPTY EVERY BANK FIRST AND THEN FILL EACH AND EVERY BANK YOURSELF]
Also, don't click read or write parameters, that is only for changing the sensor settings. Just click write sound files after you have done the above steps, that's it.