Forum Thread: How to Galaxy Note 3

first u should select protection then device manager then delete the this app

You may need to root and then you can uninstall some apps that you don't wanted. Try iRoot free for it is can root Note 3 with one click and won't do harm to your device.

Step 1: Download and Install iRoot apk file.
Step 2: Make sure you have backed up your data before. Open iRoot and click the "Get Root access"on the interface.
Step 3: Now your device is on the rooting process now. Just wait for its success.
Step 4: Congratulations! You have rooted successfully.
If you want to use computer to root it, you can chooose iRoot PC version, you can refer to this page:
http://www.iroot.com/how-to-articles/how-to-root-samsung-galaxy-note-3-in-one-click-with-iroot.html