Why does Acrobat not stay signed in?

I use Adobe Send and Track in Outlook to send a link for the recipient of an email message to download a file that is too big for most email systems.   When I choose Adobe Send and Track then click the file I want to send, I get a message that I need to sign in to Adobe.   Even when I have already signed in, it still gives this error message.
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Jackie ManCommented:
Have you subscribed for Adobe Acrobat Cloud?

Adobe Send and Track is not a free service.
DoctorK12008Author Commented:
Do you mean "Adobe Document Cloud"?   There are so many Adobe programs.   I have Adobe Acrobat DC.   Not sure if this includes Adobe Document Cloud.   Adobe Send And Track has worked in the past with my current configuration.
Jackie ManCommented:
It is not about your configuration.

The adobe account you have signed in does not have a valid subscription for using the service.

Have you paid US$19.9 annual subscription fee to Adobe to use the service?
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DoctorK12008Author Commented:
Not that I recall.   I will do this and see if it makes any difference.
Jackie ManCommented:
My figure for the subscription fee was outdated. Current one is in the link below.


Click the link below and it will tell you how to check the plan you have subscribed.


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DoctorK12008Author Commented:
Thank you.   I checked my subscription and downloaded the latest version of Acrobat DC.   Now it works.
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