1.Download HxD Editor
2.Install,select ur file
3.Try edit your .dll file
4.When done click 'Save As' but "File Name" must be (your original file name.dll) and "Save as type"> All files
Done.
When u are done hacking,try and if its work,share to mpgh.net coz i help u on how to edit .dll file (or maybe any file)