Have the same issue with Push-ME sending notifications twice
Sens a single notification when the scene is triggered directly and two if its triggered by the if->then app. Using logical rule instead of if-then also makes no difference.
We care a lot about stability. Please give us more info about the problem. Perfectly would be to give remote access to a hanged system or at least provide logs and conditions when and how often does it happen. It happened on my system three times already also. A complete system reboot fixes it for ...