I just did a fresh installation of Anaconda 2018.2 on Windows 10. This anaconda version uses python v3.7. While running conda for updating conda update conda, I
I had a similar problem running conda on my work laptop behind a firewall. Create a .condarc config file in your home directory, typically 'c:\users\[your user id]', if one doesn't already exist. Add an entry to turn off SSL verification. Looks like this:
ssl_verify: false
Save the file and retry the conda command.
If this doesn't work and your computer is behind a firewall. Make sure the proxy server entries are also defined in the .condarc config file. Example:
proxy_servers:
http: http://www.proxy.com:8080
https: https://www.proxy.com:8080