If you are seeing the following or similar message when attempting to access GauchoSpace and some other site, this is a result of a third party certificate expiry on May 30, 2020. Devices that have not been updated to more recent supported operating systems will need to be updated in order to access GauchoSpace without this error.
Devices that have the following operating systems will need to be updated.
Apple Mac OS X 10.11 (El Capitan) or earlier
Apple iOS 9 or earlier.
Google Android 5.0 or earlier.
Microsoft Windows Vista & 7
Microsoft Windows XP
Mac OS update instructions: https://www.apple.com/macos/how-to-upgrade/