Баги "Might and Magic: Heroes VI"

The "charge" ability doesn't work for Sun Riders.
For example, it says that I'll kill 18-20 creatures with a charge, but I only kill 13, as if I attacked from a standstill. With Sun Crusaders (i.e., the improved version of the creatures), everything works fine. I found on the forum that this problem was discovered back in 2011; has it really taken 4 years for the developers to fix it? :smile11:
And there's another problem – the game often crashes when the computer starts its turn, and sometimes even when I just enter a battle, for example, in an arena.
Does anyone know how to solve these problems?