Global Fix for Auto close Xigncode, Not Responding etc:
1. Uninstall any .NET Framework on your PC
2. Install .NET Framework 4.6 for SP1 users and .NET Framework 4.5 for Non-SP1 Users:
.NET Framework 4.6
.NET Framework 4.5
3. Restart PC and delete agate and xigncode folder and also SpecialForce.exe and SFPatcher.exe
4. Launch SpecialForce_Launcher_Admin.exe, Click Repair and Start
5. If problem still exist, Contact AGATE Support page.
Please try the following Steps before commenting thank you.