1 KittCore -[ConnectionAuthenticator authenticateChallenge:resultHandler:] (ConnectionAuthenticator.m:76) 2 KittCore KittCore.ProtocolHandler.(connection (__ObjC.NSURLConnection, willSendRequestForAuthenticationChallenge : __ObjC.NSURLAuthenticationChallenge) -> ()).(closure #1) (ProtocolHandler.swift:561) 3 Foundation __NSThreadPerformPerform + 336 … 10 AdblockBrowser main (AppDelegate.swift:13) 11 ??? 0x0 + 0