LiveCode Forums.

Thanks Neil and Armenhui, that advice did the job. Summary: The expired certificate that is causing all the trouble remains "hanging around" in System in Keychain Access in certain circumstances. Deleting this and downloading the revised certificate fixes everything. It's pretty scary digging around...

I've followed various instructions to no avail and could really do with some help from experts on this key-chain stuff. The steps I'm following (that don't work) are: 1. In Keychain Access: a) Remove all keys related to app development that mention iOS, Mac, iPhone b) Remove the certificate for Appl...