I don’t know what tmpx://tmnsc is either

February 3, 2010

Twice now, I’ve have customers report that they can’t get to secure (HTTPS) sites because they receive the following instead, “The URL you are attempting to access has been blocked.”

But you haven’t blocked it. Then you notice that the only sites that are being blocked are secure sites. This error message isn’t just an overlay, you’ve been redirected to a site presumably hosted by your Trend Micro WFBS server:

I still don’t know why this happens, but you can correct it by resetting IE: http://support.microsoft.com/kb/923737