Anaconda 创建虚拟环境失败 问题，请各位赐教

(base) PS C:\Users\WW> conda create -n testAnaconda python=3.7

Collecting package metadata (current_repodata.json): done

Solving environment: done



==> WARNING: A newer version of conda exists. <==

  current version: 4.8.2

  latest version: 4.8.3



Please update conda by running



    $ conda update -n base -c defaults conda

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 301, in _make_single_record

        repodata_record = read_repodata_json(extracted_package_dir)

      File "C:\science\Anaconda3\lib\site-packages\conda\gateways\disk\read.py", line 130, in read_repodata_json

        with open(join(extracted_package_directory, 'info', 'repodata_record.json')) as fi:

      File "C:\science\Anaconda3\lib\site-packages\conda\common\compat.py", line 178, in open

        closefd=closefd)

    FileNotFoundError: [Errno 2] No such file or directory: 'C:\\science\\Anaconda3\\pkgs\\conda-4.8.3-py37_0\\info\\repodata_record.json'



    During handling of the above exception, another exception occurred:



    Traceback (most recent call last):

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 318, in _make_single_record

        raw_json_record = read_index_json(extracted_package_dir)

      File "C:\science\Anaconda3\lib\site-packages\conda\gateways\disk\read.py", line 116, in read_index_json

        with open(join(extracted_package_directory, 'info', 'index.json')) as fi:

      File "C:\science\Anaconda3\lib\site-packages\conda\common\compat.py", line 178, in open

        closefd=closefd)

    FileNotFoundError: [Errno 2] No such file or directory: 'C:\\science\\Anaconda3\\pkgs\\conda-4.8.3-py37_0\\info\\index.json'



    During handling of the above exception, another exception occurred:



    Traceback (most recent call last):

      File "C:\science\Anaconda3\lib\site-packages\conda\exceptions.py", line 1079, in __call__

        return func(*args, **kwargs)

      File "C:\science\Anaconda3\lib\site-packages\conda\cli\main.py", line 84, in _main

        exit_code = do_call(args, p)

             return getattr(module, func_name)(args, parser)

      File "C:\science\Anaconda3\lib\site-packages\conda\cli\main_create.py", line 37, in execute

        install(args, parser, 'create')

      File "C:\science\Anaconda3\lib\site-packages\conda\cli\install.py", line 317, in install

        handle_txn(unlink_link_transaction, prefix, args, newenv)

      File "C:\science\Anaconda3\lib\site-packages\conda\cli\install.py", line 333, in handle_txn

        unlink_link_transaction.print_transaction_summary()

      File "C:\science\Anaconda3\lib\site-packages\conda\core\link.py", line 917, in print_transaction_summary

        legacy_action_groups = self._make_legacy_action_groups()

      File "C:\science\Anaconda3\lib\site-packages\conda\core\link.py", line 901, in _make_legacy_action_groups

        self._pfe.prepare()

      File "C:\science\Anaconda3\lib\site-packages\conda\common\io.py", line 88, in decorated

        return f(*args, **kwds)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 612, in prepare

        for prec in self.link_precs)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 612, in <genexpr>

        for prec in self.link_precs)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 503, in make_actions_for_record

        ), None)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 500, in <genexpr>

        pcrec for pcrec in concat(PackageCacheData(pkgs_dir).query(pref_or_spec)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 501, in <genexpr>

        for pkgs_dir in context.pkgs_dirs)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 130, in query

        return (pcrec for pcrec in itervalues(self._package_cache_records) if pcrec == param)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 244, in _package_cache_records

        self.load()

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 96, in load

        package_cache_record = self._make_single_record(base_name)

      File "C:\science\Anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 340, in _make_single_record

        extract_tarball(package_tarball_full_path, extracted_package_dir)

      File "C:\science\Anaconda3\lib\site-packages\conda\gateways\disk\create.py", line 219, in extract_tarball

        conda_package_handling.api.extract(tarball_full_path, dest_dir=destination_directory)

      File "C:\science\Anaconda3\lib\site-packages\conda_package_handling\api.py", line 58, in extract

        SUPPORTED_EXTENSIONS[ext].extract(fn, dest_dir, components=components)

      File "C:\science\Anaconda3\lib\site-packages\conda_package_handling\conda_fmt.py", line 59, in extract

        _extract_component(fn, file_id, component, dest_dir)

      File "C:\science\Anaconda3\lib\site-packages\conda_package_handling\conda_fmt.py", line 38, in _extract_component

        .format(component_name, fn))

    RuntimeError: didn't find info component in C:\science\Anaconda3\pkgs\conda-4.8.3-py37_0.conda



`$ C:\science\Anaconda3\Scripts\conda-script.py create -n testAnaconda python=3.7`



  environment variables:

                 CIO_TEST=<not set>

        CONDA_DEFAULT_ENV=base

                CONDA_EXE=C:\science\Anaconda3\Scripts\conda.exe

             CONDA_PREFIX=C:\science\Anaconda3

    CONDA_PROMPT_MODIFIER=(base)

         CONDA_PYTHON_EXE=C:\science\Anaconda3\python.exe

               CONDA_ROOT=C:\science\Anaconda3

              CONDA_SHLVL=1

                 HOMEPATH=\Users\

                     PATH=C:\science\Anaconda3;C:\science\Anaconda3\Library\mingw-w64\bin;C:\sci

                          ence\Anaconda3\Library\usr\bin;C:\science\Anaconda3\Library\bin;C:\sci

                          ence\Anaconda3\Scripts;C:\science\Anaconda3\bin;C:\science\Anaconda3;C

                          :\science\Anaconda3\Library\mingw-w64\bin;C:\science\Anaconda3\Library

                          \usr\bin;C:\science\Anaconda3\Library\bin;C:\science\Anaconda3\Scripts

                          ;C:\science\Anaconda3\bin;C:\science\Anaconda3\condabin;C:\science\Ana

                          conda3;C:\science\Anaconda3\Library\mingw-w64\bin;C:\science\Anaconda3

                          \Library\usr\bin;C:\science\Anaconda3\Library\bin;C:\science\Anaconda3

                          \Scripts;C:\Program Files (x86)\Intel\iCLS Client;C:\Program

                          Files\Intel\iCLS Client;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\Syst

                          em32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\Program Files

                          (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program

                          Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files

                          (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program

                          Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files

                          (x86)\Windows Kits\8.0\Windows Performance Toolkit;C:\Program

                          Files\Microsoft SQL

                          Server\110\Tools\Binn;C:\WINDOWS\System32\OpenSSH;C:\Program

                          Files\Intel\WiFi\bin;C:\Program Files\Common Files\Intel\WirelessCommo

                          n;C:\science\grads\Contents\Cygwin\Versions\2.0.1.oga.1\i686;C:\scienc

                          e\python\Scripts;C:\science\python;C:\Users\\AppData\Local\Microsoft

                          \WindowsApps;.;C:\Users\\AppData\Local\Programs\Microsoft VS

                          Code\bin

             PSMODULEPATH=C:\Users\\Documents\WindowsPowerShell\Modules;C:\Program Files\Windo

                          wsPowerShell\Modules;C:\WINDOWS\system32\WindowsPowerShell\v1.0\Module

                          s

       REQUESTS_CA_BUNDLE=<not set>

            SSL_CERT_FILE=<not set>



     active environment : base

    active env location : C:\science\Anaconda3

            shell level : 1

       user config file : C:\Users\\.condarc

 populated config files : C:\Users\\.condarc

          conda version : 4.8.2

    conda-build version : 3.18.11

         python version : 3.7.6.final.0

       virtual packages :

       base environment : C:\science\Anaconda3  (writable)

           channel URLs : https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/win-64

                          https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/noarch

                          https://repo.anaconda.com/pkgs/main/win-64

                          https://repo.anaconda.com/pkgs/main/noarch

                          https://repo.anaconda.com/pkgs/r/win-64

                          https://repo.anaconda.com/pkgs/r/noarch

                          https://repo.anaconda.com/pkgs/msys2/win-64

                          https://repo.anaconda.com/pkgs/msys2/noarch

          package cache : C:\science\Anaconda3\pkgs

                          C:\Users\\.conda\pkgs

                          C:\Users\\AppData\Local\conda\conda\pkgs

       envs directories : C:\science\Anaconda3\envs

                          C:\Users\\.conda\envs

                          C:\Users\\AppData\Local\conda\conda\envs

               platform : win-64

             user-agent : conda/4.8.2 requests/2.22.0 CPython/3.7.6 Windows/10 Windows/10.0.18362

          administrator : False

             netrc file : None

           offline mode : False