>In regards to the change applied last night in Web.config, by having put enableViewStateMac=false, I am receiving another error today. Here is the error message:
>
>

>Invalid viewstate.
>	Client IP: 1.1.1.1
>	Port: 2828
>	User-Agent: Mozilla/4.75 [de] (Win98; I)
>	ViewState: /wEWAwLBiM94ApLXxoMNAqeOtJMP
>	Referer: http://www.hyipfuture.com/DataEntryPasswordRecover.aspx
>	Path: /DataEntryPasswordRecover.aspx
>

>
>I changed the IP for the privacy.
>
>When I changed that setting, it was to avoid receiving the "Unable to validate data". But, since this morning, I have seen two situations where I am now receiving two new error messages.
>
>Isn't there a way to completely shut down this validation?

I was thinking about this a bit - are you dynamically adding controls to the form(s) where you were receiving this error?