Hello every one. I just passed the last two day looking for how fixing this two problems that was after all the same one so I thought I could help other people with the solution I found. Here is what happens : I recently installed Luma + a9hlhack on my 11.2 following 3DS.guide After some tried of bringing back my eshop item and getting some black icons menu pb, I'had restored my Nand Backup several time and finally got this issue : Installing a CIA resulted to : Failed to install CIA file. Result code: 0xC8804478 Level: Status: (25) Summary: Not found (4) Module: FS (17) Desc: Doesn't exist / Failed to open (120) And going to eshop got me 007-200 error. Here is the solution I found : Hope it will save some time for other people.