Good morning fleaster
...and welcome to the forum!!
Not sure what's causing this particular probelem - or ever even heard of it. You might want to post a cut down version of the spreadsheet so someone can take a look at it and perhaps come up with something.
As for your corrupted file, this post has a few suggestions :
http://www.excelforum.com/showthread.php?t=592569
HTH
DominicB
Bookmarks