InfoPath Dev

This is so strange... I've been working on an Infopath form for the last couple of months. It's a complicated one, and it does have a small bit of code so it's been set to be fully trusted. It's a web based form deployed through admin approved templates on our SharePoint server. I've been making revisions to this form for well over a month. I've saved mutliple copied of form at various points in the revision. Today, I decided I'd clean up the data connections we decided not use, and removed them. I saved a new revision of the form, uploaded it, and got a strange error in the ULS about not being able to open the new form template. No big deal, I'll just go back to my last saved copy right? Wrong. None of my local copies of the form open any longer. They all give the error message about Infopath not being able to grant access to local files and settings on my computer because the form is not fully trusted. It must be installed or signed digitally. What happened? More importantly, how do I fix it?

 Are you opening these saved copies in design mode? Right click and select Design?

I am. I had a coworker open the template on their machine, so something appears a miss on mine. Cleared my Infopath cache, not sure what to try next.

 Can you attach a screenshot under the options tab? I'm sorry, but this error message sounds exactly like one you'll see if you try to directly open an unpublished template in filler. It is not an error I've ever seen opening a form in the designer. And you are uploading the template some place? Not publishing it?