UserFrom Checkbox Selection not populating Cells

I'm sure I'm doing this wrong, since its not working for me.....

I've created a user form with a bunch of check boxes that can be selected.
I created the command button on the sheet to bring up the user form when pushed.

That works.^

But when I select the boxes I want results from, nothing happens? None of the cells are populating with results from the selected boxes.

Any suggestions would be appreciated.

Command Button Code:

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UserForm Code:

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I solved this one myself. I changed all Checkboxes to Option Buttons.

Thanks anyway.