Recently I ran into an issue where I was getting blank workflow page while editing the workflow. I was opening this workflow from Project Online site. However I was able to open and edit the same workflow from other computer. That conformed that this issue related to specific machine and not with the workflow. Finally I was able to resolve the issue by installing the hotfix http://support.microsoft.com/kb/2837633
Dan is the founder and CEO of Integent LLC. He is MCTS Certified in Microsoft Project Server various Microsoft technologies including Microsoft Project, Project Online & Server, and SharePoint. Dan has a Project Management Professional (PMP) certification from PMI®, and has been successfully delivering Microsoft Project Server solutions for approximately ten years. Dan enjoys balancing his work commitments with skiing, exercise, playing the guitar, and coaching members of youth sports.