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Continue to ChatAT Service Protocol Error Code 8 (Interactive Process) https://naiwaen.debuggingsoft.com/2015/03/at-service-protocol-error-code-8-interactive-process-on-windows-8/
AT Service Protocol Error Code 8 (Interactive Process) https://naiwaen.debuggingsoft.com/2015/03/at-service-protocol-error-code-8-interactive-process-on-windows-8/