Sony PlayStation Portable (PSP) Console "fix analog moves itself" Questions

...analog started moving by itself during a game and when im surfing the we the cursor would move all around the screen when im not touching it. if any1 can help me with this problem i would appreciate ...

fix the analog stick. I almost now for sure that its not a computer glitch because it does it in games, and the internet, also sometimes it'll move down by itself, then a few minutes later it moves up

...by itself like spinning to the left or look to the left by it self and that keep on miss my aim how can I fix it Analog sticks may have some dirt inside them. They can also become misaligned as

analog stick is stuck in the upwards direction. Every time I play a game, the character in the game always moves up and in the game menus, the highlighted option always keeps moving up. I really don't