> But the case has begun from cyrillic letters in the NTFS path, 
> which I do not use, but the users of my soft do. 
> So putting the program into such directory makes the former unuseable;
> until the sources are in utf anyway.

I agree that cyrillic letters in the path makes the program unusable. This is the bug to fix, and the zip file you attached is a good test case.

But I still don't see how "the sources are in utf" can influence this. Please show me!