Thread was being aborted

I am developing a web application Using VB.NET, the application was working correctly, and suddenly i got this error message
"Thread was being aborted"
any body know how can i know what the problem is.

Best regards.
WafiNETAre you using Try/Catch blocks? If so, do you have a Response.Redirect inside a Catch block?
Yes, Iam uisng Try Catch and i am using Respone.Redirect