After upgrading to Open Workbench (OWB) 15.6.1 patch 3, the Show Tips at Startup feature will show as blank when first loaded. When clicking the next tip it will show a tip and if you click previous tip it will show the tip.
First Tip:Next Tip:
Release : Open Workbench 2.1.2 (15.6.1.0.001 03 14)
Component : Open Workbench
The issue may go away on it's own, but if not, please open a case with Broadcom support for assistance.
Some information that can help when opening the case: