nds file suddenly became corrupt in r4

for some strange reason, some of the nds games that I had on the r4 started to not work.
It was working couple days ago but then when I tried to open the file, all I see is bunch of different folders with random chinese letters symbols.

 

Yep.

You have no choice, but to save the non-corrupted files off of your Micro SD card.
-Reformat and then put the files back on.

R4's have a knack for corrupting a LOT of data.

 

get a new one..

 

okay. Thanks for the help.
I'm reformatting my microSd now. :-\

 

I had that happen to me a lot when I used to have an R4. I gave both of mine away once my brother and I bought Acekard 2i's.

 

Ace will Help you...

He is just that AWESOME!

 

I am.