Answered By: E-library Team
Last Updated: 18 Sep, 2015     Views: 2053

You may have updated your Mac from Mavericks (OS X 10.9.x) to Yosemite (OS X 10.10.x) which might disable Java or remove it.  To ensure WNC4 functions correctly on your computer you will need to update Java (see the advice on RefWorks' Write-N-Cite 4 troubleshooting page).

Make sure you install Java for OS X 2015-001 - if you have another version of Java please uninstall it first and restart your computer. (see link below).

If you are still running Mavericks (OS X 10.9) you can download Java by navigating to the Apple Icon > System Updates, or go to: - you need Java Runtime Environment 8 instead.

Once you have reinstalled/enabled Java please check for Microsoft Office updates.  You can check for Microsoft Office updates by opening Microsoft Word and navigating to Help > Check for Updates

Restart your computer. If Java is enabled, WNC4 should run (our thanks go to Dudley Knox Library for publishing this advice).

If you do not have a copy of MS Office you may obtain a discounted version online from the Apple Store for Education (just log in with your email address).

See also the related FAQs: and

If you need further advice please contact giving full details of your problem and also the versions of Java, OS X, Word and WNC4 that you have installed.

Please note that WNC4 is not compatible with Word 2016 (available from Office 365). You are advised to use Word 2011 on a Mac.