It screwed up your sites, it did all kinds of things except work as it should... Terrible.
But fret not! I have worked all day to go over everyones complaints, emails and all that and released AdRotate 3.8.1 which should fix all of the reported issues.
If you still have problems after installing 3.8.1 take a look at these links:
And if even then you have questions or issues with the upgrade please post on my forum for help: