This usually happens if a file is corrupted or you updated thunderbird and did not restart it.
Does it still happen after reinstalling thunderbird? -- Can't open attachments https://bugs.launchpad.net/bugs/14794 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs