If you have lost the link between Endnote and Word.
Click on File and Options in Word.
Next click on Add-Ins on the left.
In the Manage: drop-down list at the bottom of the page, click on Disabled Items and then on Go.
Select the EndNote plugins and click Enable
If this does not work, you can run the 'Configure Endnote' application on your hard drive and re-install the plugin.
If both these fixes do not work, the PC might have an out of date configuration and will require the assistance of ISS. Contact IT support | ASK - Lancaster University