Trying to start ANSYS CFX-Pre or ANSYS CFX-Post on a Windows PC results in the following error:

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Fatal Error

The application has encountered an unexpected problem and will now terminate:

Aborting due to unexpected error:
comm::error: RemoteEngineProtocol::sendInternal - A fatal error has occurred
during communication with the engine
socketError: Socket::socketSend - send: connection reset

Please report this error, along with the circumstances in which it occurred

The following information may be useful to CFX Support:

Unexpected error: Aborting due to unexpected error:
comm::error: RemoteEngineProtocol::sendInternal - A fatal error has occurred
during communication with the engine
socketError: Socket::socketSend - send: connection reset
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It is likely that this error is caused by a CFX Preferences file that is out of step with a recent system change - for example a change of user domain, change of temporary directory. Close your CFX application, delete the folder c:documents and settings<your_login_name>.cfx (note the . before cfx) and then start CFX again.





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