The issue here is that the user is getting a curl error about their ssl certificate when they are trying to update their plugin.
This was an issue on our end and our Systems team has since resolved the issue.
If you are still experiencing this please open a forum ticket so that we can assist.
This is the technical support forum for Toolset - a suite of plugins for developing WordPress sites without writing PHP.
Everyone can read this forum, but only Toolset clients can post in it. Toolset support works 6 days per week, 19 hours per day.