Pathfinder only gives me shape mode options. no actual pathfinder options.

[CharlesMMonroe]

Why is it stuck like this, it's completely frustrating. this is in the essentials classic workspace. and I've already reset it. 

[Dave Creamer of IDEAS]

The workspace is just the arrangement of the panels. Have you reset your preferences? (You can do so under the preferences now.)

[Monika Gause]

This also looks huge. Did you perhaps scale your interface in the system settings?