Marty,
The following intruction may help:
2. Add AjaxUploader httpModule to web.config's httpModules list
To allow Ajax Uploader to handle upload requests, you need to add its HttpModule to your application.
IIS 6.0 and IIS 7.0 Classic mode
<configuration>
<system.web>
<httpModules>
<add name="CuteWebUI.UploadModule" type="CuteWebUI.UploadModule,CuteWebUI.AjaxUploader"/>
</httpModules>
</system.web>
</configuration>
IIS 7.0 Integrated mode
<configuration>
<system.webServer>
<modules>
<add name="CuteWebUI.UploadModule" type="CuteWebUI.UploadModule,CuteWebUI.AjaxUploader"/>
</modules>
</system.webServer>
</configuration>
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