Very Slow App Upload/Communication Failure - Application Loader

Question

I have been using application loader since one year. But for last few months I have problems with the application loader.

When I click on the send button in the Ap

Answer 1

If you do not have mentioned Charles proxy and the error with uploading came from "nowhere" then try to simply change network and restart your Mac. In my case doing those two did the job, changing just network did not work out.