DLL加载失败python 3.7

我刚买了新电脑（dell xps 15）。

我用python 3.7和pycharm安装了anaconda。

当我在python控制台中运行pycharm时，出现以下消息：

Traceback (most recent call last):
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.5\helpers\pydev\pydevconsole.py", line 5, in <module>
    from _pydev_comm.rpc import make_rpc_client, start_rpc_server, start_rpc_server_and_make_client
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.5\helpers\pydev\_pydev_comm\rpc.py", line 4, in <module>
    from _pydev_comm.server import TSingleThreadedServer
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.5\helpers\pydev\_pydev_comm\server.py", line 4, in <module>
    from _shaded_thriftpy.server import TServer
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.5\helpers\third_party\thriftpy\_shaded_thriftpy\server.py", line 9, in <module>
    from _shaded_thriftpy.transport import (
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.5\helpers\third_party\thriftpy\_shaded_thriftpy\transport\__init__.py", line 57, in <module>
    from .sslsocket import TSSLSocket, TSSLServerSocket  # noqa
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.5\helpers\third_party\thriftpy\_shaded_thriftpy\transport\sslsocket.py", line 7, in <module>
    import ssl
  File "C:\Users\....\Anaconda3\lib\ssl.py", line 98, in <module>
    import _ssl             # if we can't import it, let the error propagate
ImportError: DLL load failed: The specified module could not be found.

我试过了：

1. 下载Visual Studio 2017
2. 将msvcp71.dll和msvcr71.dll添加到C：\ Windows \ System32和C：\ Windows \ SysWOW64
3. 试图安装Visual C ++ Redistributable，但是它说已经安装了该产品的另一个版本。

我接下来可以尝试什么？