Have a user that started having issues with opening shared Excel files 3 days ago. Goes to shared folder clicks to open file it pops up on screen but never allows access. Has a blue circle a if file is still opening. I have uninstalled /reinstalled Dropbox and Office with no luck. I did find yesterday afternoon if I go to task manager and end Dropbox she can then access file. Was sent message this morning of having issue again. Same procedure in task manager and she can ope/edit files.