The latest release of flash player is 22.214.171.124, check the add-ons section of your browser for the currently installed release.
If you have a lower release installed, make sure to update it through the Windows updates.
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That's the version I have installed. Still doesn't work in Edge browser.
I am getting this message with both Chrome and IE after performing all steps suggested so far.
I ended up posting a link to the video in one of recent replies and watching this space for a solution.
Thanks @KennyG for bringing up this issue.