Installed both Gen 8.5 and 8.6 Communications Bridge (Comms Bridge) on a Windows Server 2012 R2 standard machine and Gen 8.5 works fine but 8.6 Comms Bridge shows the following message:
IEFCBN.EXE - Application Error: "The application was unable to start correctly (0xc000007b). Click OK to close the application."
Component: Gen Communications Bridge
The Gen 8.6 is a 32 bit application that was compiled with Visual Studio 2015. Install the 32-bit/x86 Microsoft Redistributable (VC_redist_x86.exe) for VS2015.
Microsoft Visual C++ Redistributable latest supported downloads