Samsung notes

[bhardwaj19]

It stops installing add ons at 99%

Can't install 

Can't use

[DarshanChatterjee]

Go to "accounts and backup" in settings then try to backup your data.

[bhardwaj19]

already been backed up

[DarshanChatterjee]

Then Uninstall notes and reinstall it.

[ѵօϲɑӀ4ӀօϲɑӀ]

Reinstall this app and it will work fine.