Cant update site. Same problem as other users are reporting.

Synchronize File
The local and published versions of this file are different. Both files have changed.
Nothing happens when I try to edit.
It is just showing below text.
It wants me to scroll thru 50000 image files.
I have a friend who has had this problem for the past two weeks.
Can someone offer some help please?

View Published Copy
View Local Copy
Which version would you like to keep?
Keep Local