Xfire Patcher patches Xfire game definitions with definitions files, which allows you to quickly apply patches just after an update. It includes definitions for non-steam games.
Automatic Setup:
Extract zip then run Install XFP 4-2(.cmd) and follow the instructions
Manual Setup:
Extract into C:\ProgramData\Xfire on Windows Vista and Xfire folder (C:\Program Files\Xfire) on previous versions of Windows
Send XfirePatcher.exe to the desktop as shown in the image to make it easier to patch after an update

Download Xfire Patcher 4.2 – If you don’t want to use the installer, open \res\xfp42.7z with 7-zip
Download Xfire Patcher 4 Source Code
Requires .NET Framework 2.x
Released under the GNU Lesser General Public License v3