My Ansys 19.0R1 are normally used before, but it suddenly cannot be used，it has follo
 

My Ansys 19.0R1 are normally used before, but it suddenly cannot be used，it has following notes when I open it，who can help me fix it？


Welcome to ANSYS Fluent 2019 R1

Copyright 1987-2018 ANSYS, Inc. All Rights Reserved.
Unauthorized use, distribution or duplication is prohibited.
This product is subject to U.S. laws governing export and re-export.
For full Legal Notice, see documentation.

Build Time: Dec 4 2018 13:55:34 EST Build Id: 10141

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Info: Your license enables 4-way parallel execution.
For faster simulations, please start the application with the appropriate parallel options.
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Host spawning Node 0 on machine "wan" (win64).
WARNING: No cached password or password provided.
use '-pass' or '-cache' to provide password
mpid: init0: msg is not HDRSIZE (-1)