You might see that the Dropbox Community team have been busy working on some major updates to the Community itself! So, here is some info on what’s changed, what’s staying the same and what you can expect from the Dropbox Community overall.

Forum Discussion

danens1863's avatar
danens1863
New member | Level 2
4 years ago

ERROR: 0X80070780 File cannot be opened by the system

Greetings,   The frequency of the following error is occurring more and more: ERROR: 0X80070780 File cannot be opened by the system   Trying to open several PDFs and it says it is impos...
  • Larzous's avatar
    Larzous
    2 years ago

    I was able to fix this -- you have to uninstall (reboot) and then re-install dropbox.  That re-installed all the permission stuff and got it working.  Sadly there is no 'repair' option and I just went right for uninstall/reinstall.