MS Excel “Unhide First Columns” bug when you have Freeze Panes activated. Yes, I first tried all the available cures that are posted on the internet. I have seen this bug a few times and committed to figuring out its origin today, when it held me up from finishing my grading for one of my courses. I spent about 3 hours working on the problem which included about 45 minutes on the line with MS Tech Support. That call revealed one possible cause, which I corrected, but still had the problem….