I recently aquired a mogul phone (HTC) due to work. When attempting to tether the phone I had a lot of trouble getting it to allow a connection to the internet. I kept getting error code 67 and an error stating that my vision password was incorrect.
The fix for this is insane. It is called the quick disconnect method. What you do is connect using the method of your choice and then disconnect really fast (before it has chance to disconnect you.)
I found this information on the following site:
click here
It was reported to have come from this link but that one keeps timing out on me.
I hope this post helps people find the solution. Just out of curiousity, please respond to this post if you find it helpful.

