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.pdf doesn't open when forward email

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I have a problem with opening .pdf files in Tb. The pdf itself opens normally in the inbox, but when I try to forward a message with an attachment, the pdf will no longer open. A message is displayed: The file C:UsersAdminAppDataLocalTempsmail-1.pdf cannot be opened because the associated helper application does not exist. Change the associations for this file type in preferences. I have the default adobe program set in the files and attachments preferences. I have no idea where to look for the helper applications mentioned in the message. Can anyone help?

I have a problem with opening .pdf files in Tb. The pdf itself opens normally in the inbox, but when I try to forward a message with an attachment, the pdf will no longer open. A message is displayed: The file C:UsersAdminAppDataLocalTempsmail-1.pdf cannot be opened because the associated helper application does not exist. Change the associations for this file type in preferences. I have the default adobe program set in the files and attachments preferences. I have no idea where to look for the helper applications mentioned in the message. Can anyone help?

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It is a known bug that will be resolved in the next moth or two as far as I understand it.

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