Trying to get Activex controls in webpage to perform anything can result in a security error like below.
to Fix this try
1. Add the webhost to Trusted Sites in IE
2. Run the following command in command prompt
caspol.exe -quiet -machine -chggroup Trusted_Zone FullTrust
*caspol.exe is located in c:\windows\Microsoft.NET\framework\v2.0.50727
basically in any .net version 2