请教第一步安装出现的问题

安装最后出现

Installing collected packages: multidict, yarl, async-timeout, aiohttp, pandas, tqsdk
Found existing installation: pandas 0.23.4
Uninstalling pandas-0.23.4:

【下面是红色字体】

Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: ‘g:\\anaconda3\\lib\\site-packages\\pandas\\io\\msgpack\\_packer.cp37-win_amd64.pyd’
Consider using the `–user` option or check the permissions.