GSRegisterPurpleNamedPort SIGABRT in UIApplicationMain Before App Delegate Gets to Run Any Code

Question

We recently put an update out for one of our apps and many users told us that they could no longer run the app because it crashed on startup.

We have been able to re

Answer 1

It seems that old app has been launched without quit completely, some handlers is still alive or registered by OS, so when you launch the new version, app crash.

I have also experienced such tough issue, how do you fix it finally? Thanks.