Home › Forums › Products › Stompboxes › H90 locks up. Control app crashes › Reply To: H90 locks up. Control app crashes November 17, 2023 at 12:47 pm #175848 joecozziModeratorEventide Staff Hi Jim-Jazz, You should be having zero issues with your H90. Nada, Zero, zilch. Please contact email@example.com to get things sorted out. I would not perform with it until your 100% certain of what’s causing the issue.