FFreezing works fine on my ice lightning mage and did so for @Yanir too. Maybe try clean rebooting your computer.
Alright, after I adjusted the compatibility of the program the problem seems to be fixed. Thanks for replying me!
For the future there's a difference between a reboot and clean reboot, try this next time: https://support.microsoft.com/en-us/help/929135/how-to-perform-a-clean-boot-in-windows