Indesign CC drop shadow attributes/properties are disabled/locked

[Guest]

At some point, Distance and Size attributes are disabled.

Anyone know how to make them to be abled again?

[vladan saveljic]

try to trash indesign preferences

omissis

....close and relaunch InDesign, and IMMEDIATELY hold down Ctrl + Alt + Shift (Windows) or Cmd + Ctrl + Opt + Shift (Mac), and respond in the affirmative to the dialog asking if you really want to replace the preferences...

omissis