Far Cry 3 Original Patchdat Patchfat Download !!EXCLUSIVE!!
REPLACE the "common.dat" and "common.fat" files with the ones from this download. This download also contains the original "patch.dat" and "patch.fat" files which are known to be fully compatible. Just in case.
Far Cry 3 Original Patchdat Patchfat Download
Within C:\Program files\Steam\Steamapps\common\Far Cry 3\data_win32, I backed up the original "common" and "patch" files, and replaced them with the "common.dat" and "common.fat" files with the ones from this download.
In modding everybody at least once mentioned verifying game files. It's a process when the launcher (Uplay or Steam) will check game files and if they aren't original then it will download them again, so it will restore game files to their original state.