The fact of the matter is that the name of all my files, I point to latin letters symbols, because I read above that many had problems with this. From the very beginning I took this fact into account and was attentive to it.
Packing might be problematic at some point, but so far it was working without any troubles.
If you really want to pack your game but it just doesn't work, you can use EnigmaVM to pack your files and then use it with packed EXE. There should be a manual for that on their site.