OpenSprinkler › Forums › OpenSprinkler Mobile and Web App › Cant connect to OpenSprinkler › Reply To: Cant connect to OpenSprinkler May 22, 2017 at 2:54 pm #46390 BrendanParticipant @legend99 – You solved the issue! Thanks for your help! I had Avast running, and I turned off WebShield. It worked immediately.