Files being deleted automatically and apps not installed/updated on Lumia 820, what can I do?

[shashank reddy pendri]

files being deleted automatically and apps not installed/updated on lumia 820

i am using nokia lumia 820, from a week when i add some new music or image files to my sd card and phone storage which is my default storage the files i added are automatically after some time and i i delete any files they are reappearing automatically. this creating a quite a problem to me. And new apps and updates are not installed.
can anyone please give me solution for the issue?

 

[gpobernardo]

Re: files being deleted automatically and apps not installed/updated on lumia 820

Sounds like a classic failing SD card issue. Try checking your SD Card for errors with your PC, or try a different SD Card if available.