Most Helpful Guy
-try installing the missing plug-in; there should be a link on there
-try searching for updates for your computer
-did you add any add-ons, such as adblock plus or noscript? If so, try disabling them
-Updating any plug-ins/add-ons
-Updating the browser
-Re-Installing the plug-ins/add-ons
Which browser are you using?
If you're using Mozilla, go to "Help>About Firefox" and it should tell you if it's up to date. Or, go to "Tools>Add-ons" and "search for updates"
If you're on Google Chrome, you may need to go to "Extensions" and update them each individually.
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