Problem: Internet Explorer 11 keeps loading Sharepoint 2010 toolbar forever; Loading....

Problem:

 Proposed solution:
1) Command prompt or Run command: gpedit.msc

2) Enable Allow

3) Command prompt or Run command: ipconfig /flushdns





Thanks a lot Wilson for sharing this solution, actually my reference for this blog post!
http://sharepointegg.blogspot.com/2011/06/sharepoint-2010-ribbon-stuck-at-loading.html