Samsung GR I9305 Unmount SD CARD

Hi xda developers,i need some help.I install tha app gl to sd and after this the sd card not show to my phone and i cant install program.When i install the GL to sd it make some changes to my phone becouse the phone was restarted to save.Now i go to es file exlorer and put the sd card and it show some sec and next it cant work.Can anyone here help me how to restore again the sd card and install program again the phone is rooted to.I dont need to factory reset becouse i have alot of program inside.Thank you bye

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