CoreSync keeps your Creative Cloud files synced across various devices and in the cloud. In addition to helping sync files, it also ensures that several Adobe apps and services are running smoothly. Following are some examples:
- Makes Adobe Fonts available at all times
- Provides real-time notifications for file sync and collaborations
- Prompts you to update the Creative Cloud desktop app, whenever required
You may receive the error "Core Sync has unexpectedly quit" after you install the 2.1.0.108 update for the Creative Cloud desktop app. It happens when Adobe Core Sync is not working as expected.

If you receive the error "Core Sync has unexpectedly quit" after you install the 2.1.0.108 update for the Creative Cloud desktop app, follow the steps below to resolve the issue.
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~/Library/Application Support/Adobe/CoreSync/
(If the Users Library user folder is hidden, see How to access hidden User Library files.)C:\Users\AppData\Roaming\Adobe\CoreSync
(The AppData folder is hidden by default in Windows. See How to show hidden files.)