This is a self-explanatory question:
Why does this thing bubble into my try catch\'s even when nothing is wrong?
Why is it showing up in my log, hundreds of
This is probably coming from a Response.Redirect call. Check this link for an explanation:
http://dotnet.org.za/armand/archive/2004/11/16/7088.aspx
(In most cases, calling Response.Redirect(url, false) fixes the problem)