How translate in your language or correct it
Download the file languages
It should be in (adapt the version number):
You can decompress it with 7zip under windows.
You can open the .ts (the translation file) file with Qt linguist, I have do packages for windows: http://files.first-world.info/ultracopier/translation/liguist-win32.zip
And package for mac: http://files.first-world.info/ultracopier/translation/Linguist.dmg
For other linux, install Qt should be good.
Send me it
You can send me at the forum, or contact me via the contact page on the site.