Disconnect all of your Line 6 gear and close down all Line 6 programs.
Go to Start > Control Panel > Programs and Features > Line 6 Uninstaller
After you run the Line 6 Uninstaller, reboot your computer.
Go to Line6.com/software
Under -All Products- select Helix
Under -All Software select Drivers Under -All OS- make sure your operating system is selected Click GO Click GET DOWNLOAD Do not run it, just SAVE it
Go to your Downloads folder and find the drivers installer - Right click on it and select 'Run As Administrator'
Reboot your computer again after reinstalling the drivers
Go back to Line6.com/Software to download and re-install Line 6 Updater
Put your Helix into 'update mode' by holding down footswitches 6+12 while powering on, then connect to computer, Launch Updater and reinstall the flash memory.