I know Flash is on it’s way out. Make sure you have the latest version and check to see if it’s been disabled by your browser.
Here is a summary of the article
Adobe will finally kill Flash in 2020.
Adobe is finally planning to kill off Flash once and for all. Chrome, Microsoft Edge, and Safari have all been blocking Flash over the past year, but Adobe is now planning to remove support for it fully by the end of 2020.