The state information is invalid for this page and might be corrupted

[PrakashN]

Hi,

When i click on asp:button i got this error. I added EnableEventVali dation="false" Debug="true" at Page directive. Still i am getting this error. Please help me.

Thanks in advance..

Regards,
Prakash N

[Plater]

Is this happening the first and every time you try to load the page?
Or only when you do a postback?
Do you have more then one window open at a time?