Skitch won't quit; Quit menu option greyed out

[Josh Fialkoff 5]

I am consistently required to Force Quit Skitch when shutting down my MacBook Pro. Here is a screenshot: https://www.dropbox.com/s/biptgdzhz9zn81p/Screenshot%202014-06-26%2007.45.34.png

 

 

Skitch: Version 2.7.2 (263461)
 

OS 10.9.3

[Sentinel 195]

What do your Preferences look like?  What do you have checked and unchecked?  Particularly in regards to the Skitch Helper?  (just trying to troubleshoot)