Please ensure that:
- You do not still have the PLUS version installed (please delete it entirely from your system)
- You are using the latest version of the plugin(s)
- Your site is running on PHP 5.4 or above
- You have CURL activated (should be activated by default)
If you are not familiar with those, please contact your hosting company or server admin.
Please check if you have browser extensions activated which may conflict with the plugin. Known culprits include:
- Open SEO Stats (Formerly: PageRank Status) – Chrome
- Adblock Plus – Chrome
- Vine – Chrome
Either de-activate those extensions or try it in a different browser.