Add Media button only highlights... Doesn't work


I am having an issue … in Chrome, it will work only 1/2 the time, but it will not work on IE, Firefox or Opera.
See attached screenshots… the chrome instance is the only time it works … and only when it looks that way. If you add something, you cannot add a second because it reverts to the second look.

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This looks like some plugin or theme conflict. Could you try deactivating the other plugins and trying it on the default theme.