Hi Howflor, welcome to the forums! Great to have you aboard!
Uh oh, you posted a question in the Introductions section: break out the wet noodle!
Seriously, it sounds like a sync issue. You can spend some time here:
Samsung Galaxy Tab 10.1 - Android Forums
No doubt you will get your question answered and will quickly learn to master your tablet - it's what we're here for, to help each other get better and better. Enjoy your stay and it's nice to have you here!
Looks like I've been beaten to the punch. It's what I get for typing to slowly