When changing between Resource Useage and Gantt Chart the left hand side of the screen (Task list and duration) goes grey and loses the text. If I flick across between them a couple of times this sometimes comes back.
Using Project 2010 Standard (32bit) 14.0.6123.5001 on Windows XP SP3.
Using Project 2010 Standard (32bit) 14.0.6123.5001 on Windows XP SP3.