Q: my apps wont update

Hi, johnfromtinley park. 

Thank you for visiting Apple Support Communities. 

I would need more information regarding the exact issue you are experiencing when attempting to update applications to provide a better answer.  However, here is a troubleshooting article that will walk you through some basic steps. 

Troubleshooting the Mac App Store

http://support.apple.com/en-us/HT203421

Cheers,

Jason H.