This has been discussed on the DataTables forum previously but I wanted to raise this as an issue here so that you could track it easier.
The forum post can be found here:
And a live example of the problem can be found in your demo site here on Internet Explorer 8:
This happens with previous and the latest version of jQuery and the latest development versions of DataTables and ColVis.
Hello, just to let you know that this issue still exists in the latest 1.8.2 release and can still be seen on several of your ColVis demonstration pages, such as the one above.