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安装NI VISA时出现错误

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我安装了 LabVIEW 2019,由于想要进行USB串口通信,我进入NI下载NI VISA19.0, 安装包成功下载,但是无法安装。错误显示:网络操作超出用户指定范围或系统时间限制。(Operation too slow. Less than 30 bytes/sec transferred the last 60 seconds)

 

我根据C:\Program Files\National Instruments\NI Package Manager\Settings\ni-package-manager-defaults.ini找出超时设定,该数值无法更改。

 

请问有在安装NI VISA时出现此类问题么,遇到此类问题该如何解决呢?

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谢谢回复!应该是墙的问题了

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