From the Microsoft Windows Start menu, choose Programs > Administrative Tools > Internet Information Services Manager.
Right click the web site protected by the agent.
Open the Properties tab.
Click Home Directory.
Click Configuration.
Click PolicyAgent-base\iis6\bin\amiis6.dll
Click Remove.
Click Yes at the popup “Remove the selected Script Mapping(s)?.”
Click OK.
Restart the application pool to which the web site belongs.
Restart the web site.