--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -1797,18 +1797,18 @@ ContentChild::ActorDestroy(ActorDestroyR
     XRE_ShutdownChildProcess();
 }
 
 void
 ContentChild::ProcessingError(Result what)
 {
     switch (what) {
     case MsgDropped:
-        QuickExit();
-
+        NS_WARNING("MsgDropped in ContentChild");
+        return;
     case MsgNotKnown:
         NS_RUNTIMEABORT("aborting because of MsgNotKnown");
     case MsgNotAllowed:
         NS_RUNTIMEABORT("aborting because of MsgNotAllowed");
     case MsgPayloadError:
         NS_RUNTIMEABORT("aborting because of MsgPayloadError");
     case MsgProcessingError:
         NS_RUNTIMEABORT("aborting because of MsgProcessingError");