sys.webforms.pagerequestManager.ParserError.except ion

[foram]

hi every body
please help me to solve this problem it is sys.webforms.pagerequestManager.ParserError.except ion

the common causes for this is to use response.write or may be use response.filter or may be use httpmodules or may be set trace to enabled

and i have already check in my website in my whole web site i have not use response.redirect or filter and also i have not set the trace also

but in my web.config file i am writing the code like
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
</httpModules>

and if i remove this lines from web.config then again i am getting the same error all the times if i am not removing that line then some time i get that error

so if any body has its solution then please give me a solution and also u can [EMAIL REMOVED]

thanks and regards
foram