Please see this video recording for the issue.
I am using wireframe sketcher as a plugin to eclipse. Other team members in my company as well as another instance on my laptop with the same configuration all work perfectly except this one on my desktop.
Eclipse version information:
Eclipse Java EE IDE for Web Developers.
Version: Luna Service Release 2 (4.4.2)
Build id: 20150219-0600
Wireframe version information