Listen thread did not stop.

What the happen with log:

ChilkatLog:
  StopAccepting:
    DllDate: Dec 27 2016
    ChilkatVersion: 9.5.0.65
    UnlockPrefix: Anything for 30-day trial.
    Architecture: Little Endian; 64-bit
    Language: .NET 4.0 / x64
    VerboseLogging: 0
    Stopping listen thread...
    Listen thread did not stop.
    Failed.
  --StopAccepting
--ChilkatLog