Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

ابحث في الدعم

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

When i try to open an attachment it says failed-mailbox resource how can i fix this?

  • 5 ردود
  • 3 have this problem
  • 1 view
  • آخر ردّ كتبه JohnD

more options

The full message I get says: The download cannot be saved because an unknown error occurred.

When I try again (as requested) it comes up with the message: Failed - mailbox resource

How can this be fixed please?

The full message I get says: The download cannot be saved because an unknown error occurred. When I try again (as requested) it comes up with the message: Failed - mailbox resource How can this be fixed please?

All Replies (5)

more options

what anti virus?

more options

Annabe said

The full message I get says: The download cannot be saved because an unknown error occurred. When I try again (as requested) it comes up with the message: Failed - mailbox resource How can this be fixed please?
more options

Annabe said

Annabe said
The full message I get says: The download cannot be saved because an unknown error occurred. When I try again (as requested) it comes up with the message: Failed - mailbox resource How can this be fixed please?
more options

Have same problem cant open pdf attachement