Hi Roger
Here is the modules and handlers. The problem exists in both iis 6 and 7.
<modules>
<remove name="ScriptModule" />
<remove name="ComponentArtUploadModule" />
<add name="ComponentArtUploadModule" type="ComponentArt.Web.UI.UploadModule, ComponentArt.Web.UI" />
<add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</modules>
<handlers>
<remove name="WebServiceHandlerFactory-Integrated" />
<remove name="ScriptHandlerFactory" />
<remove name="ScriptHandlerFactoryAppServices" />
<remove name="ScriptResource" />
<remove name="ComponentArtUpload" />
<remove name="ComponentArtScriptHandler" />
<add name="ComponentArtUpload" path="ComponentArtUploadProgress.axd" type="ComponentArt.Web.UI.UploadProgressHandler, ComponentArt.Web.UI" verb="*" />
<add name="ComponentArtScriptHandler" path="ComponentArtScript.axd" type="ComponentArt.Web.UI.ScriptHandler,ComponentArt.Web.UI" verb="*" />
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add name="MSCaptchaImage" path="CaptchaImage.axd" verb="GET" type="MSCaptcha.CaptchaImageHandler, MSCaptcha" preCondition="integratedMode,runtimeVersionv2.0" />
</handlers>