[Plugin: Link Library] Ajax issue

I cannot click on a category and display the associated links. I think that there is an AJAX issue. Have been using “Link Library” for about two (2) years. On one of my updates, Link Library stop working.

Any help or suggestions would be appreciated.

Here is my website with the Link Library:
http://tech.bpace.us/?page_id=34#

http://ww.wp.xz.cn/extend/plugins/link-library/