Cleanup when closing.
Cleanup when closing.

FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup,FriendSoftwareLabs/friendup