How to Cancel Your QuotaGuard Subscription on the Azure Commercial Marketplace?
Sign in to your Azure portal with the account that is subscribed to QuotaGuard.
From Azure Portal, open the “All resources” view where get a sortable/filterable list of all of your resources.
Find the “Quota Guard” subscription in that list, select it via the checkbox on that line-item.
Click the Delete button at the top of the “All resources” view.