“updated by 1st clicking the button at the top of the page” – Which WordPress page was that? What is the exact literal name of the button?
“i then clicked the update button.” – Which WordPress page was that? What is the exact literal name of the button?
The reason we need to know the exact literal details about how you updated a plugin is because of this fact below. Also there are several different variations, methods and differences between how WP handles/processes plugin updates and installations:
WP Trivia Fact: There are 21 different ways to update or install plugins, themes and WP Core. If you count Network|Multisite separately then there are 35 different ways to update or install plugins, themes and WP Core.