Hi, I am facing a similar issue with my site:
https://shellystore.co.uk
My customers are complaining that they are getting the following, but we don't use notifications on our website at all!
Website blocked due to excessive notification requests
Website blocked:
shellystore.co.uk
Malwarebytes Browser Guard blocked this website because it may contain scam
activity.
We strongly recommend you do not continue.
GO BACK
CONTINUE TO SITETooltip icon
Do not block this site again for scam
_____
What is excessive notification requests?
Possible suspicious activity encompasses a variety of behaviors that are
commonly attributed to technical support scams, cryptojacking, browser
hijacking, and other