Adobe Illustrator can show an odd behaviour when you click on the workflow menu inside the PageProof add-on. This is a known issue to Adobe with having User Interface Scaling turned on in your Illustrator preferences (this is a default setting but should be changed).

To fix the workflow drop-down menu

Step 1

Turn off the UI Scaling in your Adobe Illustrator Preferences. Click Preferences, then  drag the slider for UI Scaling to Small.

Turn off UI scaling in Adobe Illustrator preference

This will now make the Illustrator interface the same size as all of your other Adobe CC applications.

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