First thing to do before anything else is install bootmii as boot2 and make a backup of your nand just in case you do anything that could brick your wii, this will save your life.
Depending on the age of your wii you may not be able to install as boot2, preloader is also a good piece of software against brick protection.
I HAVE 4.2U, HOMEBREW, PRILOADER, WAD INSTALLER, BOOTMII, CIOS, PIMP MY WII, STARTPATCH, WIIFLOW, DOP-MII, SAFE UPDATE, EMULATORS, AND THE WHOLE NINE YARDS. MY ONLY ISSUE IS WHEN I ACCESS THE WEATHER CHANNEL IS FREEZES, WHEN I CHECK THE CHANNELS ON THE SD CARD TO PLAY MY GAMES IT FREEZES ON SCREEN #1 AND #2, IF YOU START FROM SCREEN #3 NOTHING HAPPENS, ITS GOOD. IF YOU TAKE OUT THE MEMORY CARD AND MOVE THE SCREEN TO #1 OR #2 THEN PUT THE MEMORY CARD BACK IN TO VIEW THOSE SCREENS, ITS FINE.
SO MY QUESTION IS SHOULD I RESTORE MY WII FROM SCRATCH, FACTORY SETTINGS: IS IT POSSIBLE TO DO THAT ANYWAY, OR SHOULD I TRY DIFFERENT APPS TO REMOVE WHAT I HAVE NOW TO FIX THE PROBLEM.