Disabling Layout Mode

[Merit Solutions]

I have two solutions...both have identical privilege sets for editing users. In one, Layout Mode is entirely greyed out (like a Read Only set), in the other solution it allows access to Layout Mode but won't let users amend anything on the layouts. I want to ensure that Layout Mode is greyed out on the second solution, but can't understand why it won't grey out. I want users to be able to view the layouts in Browse Mode and be able to Create, Edit and Delete records just like in solution one.

[Vaughan]

"can't understand why it won't grey out"

Perhaps one or more layputs are set to allow editing access?

[Merit Solutions]

All Layout Privileges are set to "View Only"

[Merit Solutions]

There was a script I forgot - which was run with Full Privileges at startup - Doh!