conda:Collecting package metadata (current_repodata.json): failed

使用conda install和conda create命令会出现下面的问题：

Collecting package metadata (current_repodata.json): failed

Collecting package metadata (current_repodata.json): failed
 
       >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<
 
    Traceback (most recent call last):
      File "D:\Anaconda3\lib\site-packages\conda\exceptions.py", line 1079, in __call__
        return func(*args, **kwargs)
      File "D:\Anaconda3\lib\site-packages\conda\cli\main.py", line 84, in _main
        exit_code = do_call(args, p)
      File "D:\Anaconda3\lib\site-packages\conda\cli\conda_argparse.py", line 82, in do_call
        return getattr(module, func_name)(args, parser)
      File "D:\Anaconda3\lib\site-packages\conda\cli\main_install.py", line 20, in execute
        install(args, parser, 'install')复制

解决办法：

conda config --show-sources复制

找到.condarc文件位置并删除。