Unhappy MicroMax A88 : Error -"Unfortunately Stopped Working"

Hello All ,
I have Micromax A88 canvas Music.Few days back i connected it to Windows PC and copied few folders.I don't Know If I have "CUT" some of the stuff(hidden files),
And now when i use my phone I got these symptoms :

- Gallery not working.File captured from Camera goes - I dont know where?
- User Profile - Setting ringtone Gives Error "Settings : Unfortunately Stopped Working"

I now resolute to fix it by doing the restore factory setting which may repair my broken/missing settings.
Kindly help me with your comments to :
- Android back up and restore (after Factory setting) software.

Thanks in Advance !
-Softy !
".ultimate test of a relationship is to disagree but to hold hands...."

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