ANSYS SIwave 2017.2版本做TDR仿真是提示报错问题

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大神：
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ANSYS siwave 2017.2版本做TDR仿真是提示报错问题。日志信息如下。还请帮忙解答下，谢谢！
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. d# {8 [, e* ^8 F8 P) J3 NLoading D:\Documents\SIware\NF05_V111-1\NF05 V111-1.siw...
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Warning: could not create D:\Documents\SIware\NF05_V111-1\NF05 V111-1.log; check permissions
Created Touchstone?file D:/Documents/SIware/NF05_V111-1/NF05 V111-1.siwaveresults/DesignerTDR/NF05 V111-1_tdr.s4p
Launching ANSYS Electronics Desktop; please wait...failed.
Error:   could not get a handle to Ansoft Designer's Desktop!

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