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在执行conda create, update, install等需要连网的命令时，可能会遇到http error错误，类似如下所示

Fetching package metadata ...
    CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/a
    naconda/win-64/repodata.json>
    Elapsed: -
    
    An HTTP error occurred when trying to retrieve this URL.
    HTTP errors are often intermittent, and a simple retry will get you on your way.

一共有三个解决方案，网上最热的解决方案为

Just copy these:-

1)libcrypto-1_1-x64.dll

2)libssl-1_1-x64.dll

from D:\Anaconda3\Library\bin to D:\Anaconda3\DLLs.

还有一个方案，但不推荐，理由是“Its not a good idea to unset ssl verification unless you know what you are doing. ”

conda config --set ssl_verify no

这两种办法对我都无效，而我自己试出了第三种方法：

关闭翻墙软件。