Whenever I try to update using the Launcher at the end I get this error:

Code:
Failed to begin external updater!
I tried adding the folder to my antivirus exception but it didn't help.

This is the log

Code:
[10/9/2015 01:42:10] Launcher was opened. Build Apr 28 2013 02:45:13
[10/9/2015 01:42:10] Operating System: Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit
[10/9/2015 01:42:10] Current Directory: C:\Program Files (x86)\Freestyle GunZ
[10/9/2015 01:42:10] Checking patch servers..
[10/9/2015 01:42:10] Analyzing patch info..
[10/9/2015 01:42:10] Processing files..
[10/9/2015 01:42:10] Needs to update: ./Gunz.exe
[10/9/2015 01:42:10] Needs to update: ./Launcher.exe
[10/9/2015 01:42:10] Needs to update: ./system.fgz
[10/9/2015 01:42:11] Needs to update: ./update8.fgz
[10/9/2015 01:42:12] Needs to update: ./Maps/Race.fgz
[10/9/2015 01:42:12] Needs to update: ./Maps/Sewer.fgz
[10/9/2015 01:42:13] Preparing file transfers (6 files to update)
[10/9/2015 01:42:13] Launcher update required.. 5 files queued.
[10/9/2015 01:42:13] Downloading ./Launcher.exe
[10/9/2015 01:42:15] Finished download file: ./Launcher.exe
[10/9/2015 01:42:15] Failed to start external updater!
[10/9/2015 01:42:15] Failed to begin external updater!