用anaconda3在win10下无法安装，同样的在win7下就安装成功了。错误代码如下，

C:\Users\walden>scrapy list
Traceback (most recent call last):
  File "C:\Users\walden\Anaconda3\Scripts\scrapy-script.py", line 5, in <module>
    sys.exit(scrapy.cmdline.execute())
  File "C:\Users\walden\Anaconda3\lib\site-packages\scrapy\cmdline.py", line 121, in execute
    cmds = _get_commands_dict(settings, inproject)
  File "C:\Users\walden\Anaconda3\lib\site-packages\scrapy\cmdline.py", line 45, in _get_commands_dict
    cmds = _get_commands_from_module('scrapy.commands', inproject)
  File "C:\Users\walden\Anaconda3\lib\site-packages\scrapy\cmdline.py", line 28, in _get_commands_from_module
    for cmd in _iter_command_classes(module):
  File "C:\Users\walden\Anaconda3\lib\site-packages\scrapy\cmdline.py", line 19, in _iter_command_classes
    for module in walk_modules(module_name):
  File "C:\Users\walden\Anaconda3\lib\site-packages\scrapy\utils\misc.py", line 71, in walk_modules
    submod = import_module(fullpath)
  File "C:\Users\walden\Anaconda3\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 673, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "C:\Users\walden\Anaconda3\lib\site-packages\scrapy\commands\version.py", line 6, in <module>
    import OpenSSL
  File "C:\Users\walden\Anaconda3\lib\site-packages\OpenSSL\__init__.py", line 8, in <module>
    from OpenSSL import rand, crypto, SSL
  File "C:\Users\walden\Anaconda3\lib\site-packages\OpenSSL\rand.py", line 12, in <module>
    from OpenSSL._util import (
  File "C:\Users\walden\Anaconda3\lib\site-packages\OpenSSL\_util.py", line 6, in <module>
    from cryptography.hazmat.bindings.openssl.binding import Binding
  File "C:\Users\walden\Anaconda3\lib\site-packages\cryptography\hazmat\bindings\openssl\binding.py", line 14, in <module>
    from cryptography.hazmat.bindings._openssl import ffi, lib
ImportError: DLL load failed: 操作系统无法运行 %1。