Comment 1 for bug 1333646

Additional information:

gopher@laptop: ~/ $ sudo grub-customizer
[sudo] password for gopher:
 *** initializing (w/o specified bootloader type)…
   * reading partition info…
   * Loading Framebuffer resolutions (background process)
   * Finding out if this is a live CD
sh: 1: hwinfo: not found
 *** initializing (w/ specified bootloader type)…
   * Checking if the config directory is clean
 *** loading configuration
 *** loading - preserveConfig: no
   * unsetting saved config
 *** loading settings
 *** loading grub list
   * loading scripts…
   * loading proxies…
   * cleaning up proxy configuration…
   * creating proxifiedScript links & chmodding other files…
   * running grub-mkconfig
   * restoring grub configuration
   * removing invalid proxies from list
     exception '28InvalidStringFormatException'
 with message 'unable to parse index from '
 in /build/buildd/grub-customizer-4.0.6/src/Model/Script.cpp:276
     exception '28InvalidStringFormatException'
 with message 'unable to parse index from '
 in /build/buildd/grub-customizer-4.0.6/src/Model/Script.cpp:276
     exception '28InvalidStringFormatException'
 with message 'unable to parse index from '
 in /build/buildd/grub-customizer-4.0.6/src/Model/Script.cpp:276
     exception '28InvalidStringFormatException'
 with message 'unable to parse index from '
 in /build/buildd/grub-customizer-4.0.6/src/Model/Script.cpp:276
   * loading completed
 *** grub list completely loaded
 *** loading saved grub list
it then gives the above error with a 'Quit' or 'continue (data loss risk)' options...

did this after upgrade of Mint 16 to Mint 17 - Petra to Qiana
Checked the Environment - only thing missing was device.map but that doesn't seem important...