Hellpp!! I need help asap!! Please. . .

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http://androidforums.com – So, last night while i was making a playlist in musicmax my phone suddenly froze and it became all black so i shut down my phone and when i turned it on my media scanning problem is back AGAIN (yes, my phone has a problem when it comes to media scanning and i idk why) it just keeps saying "media scanning files" for like half an hour so i unmount my sd card removed it and put it back again but still no effect. I tried almost all the methods i can use (since i dont want to reformat my sd card, i dont want to lose all my files) I tried this method of putting ".nomedia" and i (General)