Lost Root Access?

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http://forum.xda-developers.com – Was having problems with cm file manager and superuser so decided to use root checker and it said I don't have proper root access. Never had problems until about 2days ago. Any answers on the best way to fix this? HERCULES PACman 11/19 KK12 Sent from my SAMSUNG-SGH-T989 using xda app-developers app (HowTos)