lightroom cc won't sync photos in develop mode

[JZtravelgirl]

I'm running out of thoughts...  lightroom cc won't sync photos in the develop mode.   The program freezes if you try.

I have updated CC .

I have more the 50% memory.

I have restarted the computer.

What else can I do?

Thaks

[JP Hess]

Have you enabled synchronization in Lightroom on your computer? Have you created a collection and marked it to be synchronized? Are you talking about that type of synchronization, or are you talking about something different?

[JZtravelgirl]

No.  I'm am trying to edit multiple images with the same presets. 

[JP Hess]

Sorry. Do you have multiple images selected? And, do you have auto sync enabled? And, are you modifying the highlighted image? Also, what exact version of Lightroom are you using?