Launch your computer's Web browser and navigate to the PayPal home page.
Click the "Log In" button in the left-hand column and enter your registered PayPal email address and password in the relevant boxes. Click the "Log In" button to continue.
Click the "Profile" link in the "My Account" tab. An overview of your PayPal account will be displayed.
Click the "My money" button in the menu in the left-hand column.
Click the "update" link on the right-hand side of the "My preapproved payments" section. A list of your current and previous PayPal subscriptions will be displayed.
Browse through the "My pre-approved payments" list to locate the subscription you want to check. The "Status" column to the right of the merchant's name will inform you whether the subscription is active, inactive or canceled.