Just wanted to check in to see if anyone has trouble with scan/update only profiles deploying the software instead of just updating it? With my update only profiles I keep ending up with all the software in the profile installed after it runs not just the ones that were already installed updated. Possible I have something goofy set but I've been over my settings a dozen times.
I originally had an issue very similar to this. Support indicated there can be an issue when using a profile that is converted from Deploy and Update to Update Only. I deleted the profile and created it from scratch, setting the apps to Update Only before applying it to any machines and I have not experienced the issue since.
Good call, I'll give that a shot. Thanks for the idea!