How to patch a folder in .fkp and my another questions by translate's an games

[NoNameUkrainian Man]

I unpacked data.fpk from GARbro, I translated some text in act 1 and want to try to check it..but program I use dont work. FpkTool () and GnTool 4.5.1 (it doesn't open, just closes when I try to open it)

How can i do it for test translation?