On Nov 16, 2015 version 2.1 of this add-on was released to address an exploitable SQL injection vulnerability. If you are still using a version of this add-on which is below 2.1 or released before Nov 16, 2015 then it is essential that you update to the latest version of the add-on as soon as possible to fix this security issue. If you have any further questions, please ask.
Many changes have been made to News v2.0. It is required to completely uninstall versions prior to v2.0 so the new table xf_news can be used.
Upgrading from New v1.9 and below.
1) Using phpMyAdmin save a copy of xf_news as xf_news_old.
2) Uninstall the add-on.
3) Delete the library/Andy/News folder
4) Install News v2.0
5) Using phpMyAdmin copy the data from xf-news_old to xf_news.
6) Set User Group Permissions.