While in the powerCMS backend when showing the client the operation just clicking from one content area to another would cause a blank page, by blank I mean that the URL was intact but nothing on the page, refreshing the page didn't help. When I closed the window and went back to it, it opened up to allow editing but would go blank again if I moved to a different area.
When clicking through the different content pages in the left navigation I would sometimes get an error where the edit content area should be, so the whole right side of PowerCMS was blank, error was just 2 words but unfortunately I did not write it down, at this point I was totally embarrassed. I can call the client and see if they can reproduce it for me if need be.
With PowerStore3 same blank opage issue.
They had Skype enabled in IE8 which I disabled because I know there are issues with browser functionality when skype is active and I thought it was better but it did continue to happen.
Jason I don't know if this is much help but this repeated quite a few times regardless of the area I tried to get too.