how can i cancel

Please take a look here:

https://helpx.adobe.com/manage-account/using/cancel-subscription.html

If this doesn't help you have to contact the Adobe support, because this is a public forum, not the link to Adobe support. Sorry, but we're normal users and we can't help with account and/or payment problems.

Please click the link below to contact Adobe staff to help.

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https://helpx.adobe.com/contact.html

Click the chat icon in the lower right and type "agent" to get a human and not the chat bot.