I don't use the visual voicemail app and deleted it long ago, but I'm having the same issue with double notifications at the top of my screen since the update a week or two ago. If anyone figures this out please let me know
Already have an account? Login
Enter your username or e-mail address. We'll send you an e-mail with instructions to reset your password.
Sorry, we're still checking this file's contents to make sure it's safe to download. Please try again in a few minutes.
Sorry, our virus scanner detected that this file isn't safe to download.