I've never used lozenge decals... sounds like I'm lucky the scheme I'm doing doesn't need them (and to think I was disappointed!!).
I've never heard of the strips separating before... they should settle back to shape as the decal solvent dries out. If they are really dry, then small patches of decal should hide the problem.
I wouldn't strip everything off - you might just get the same problem (or worse!!) next time...
I'd use a fresh scalpel or razor blade to get a clean edge... but make sure all the decals are absolutely dry first!!
Hope this helps
Rowan
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