Try to sync. If you look at the top of your kindle fire HD where it says the time scroll down and there is a little sign that looks similar to a recycle sign and under it it says sync. Click it and try to open your apps again. It worked for me
No you can't set up a wallpaper on the kindle fire. it wont work. there is no possible way.
give it to a shop to fix it
the answer is absurd. it took me a long time to find it so hopefully you wont take that much time :)
Disk
go away
*
reinstall it
Yes it is worth getting a nook or a kindle so you wont have a of books in your room.
If your zinky world wont load, go to tools and click internet options. Click on temporary internet files and delete files. Your world should now load.
Well, I know that a kindle is for reading books, so if it does not I would either get a new one, or talk to a computer store person about it. I think that means there is a problem with the kindle and it needs to be fixed. That is all I can tell you.
because n1gg3rs
I have no idea.