Hi at all, I'm sorry for my english, that it's pretty basic. I'll try to explain my problem. I had a WII 4.1E (with MODCHIP) with bootMii and HBC installed via bannerbomb (with HBC and all apps on a SD of 2GB), i was happy, but when the 4.2E update was realeased i decided to follow THIS guide to keep my wii updated: (i'll try to translate) NOW i have a very big problem. I followed step by step all the guide. I did everything, nothing wrong..... except the installation of IOS70. I tried many times, but nothing, i was not able to complete the installation of the IOS. The WII system menu page shows me the 4.2E version. I can still play backup DVD, but they are a couple of days that i'm having a lot of problems with my wii and the HBC. - First of all, when I insert the backup DVD of NSMBW inside my WII, an error appear ( i don't start the game), black screen : the system files are damaged, please blablabla... so i cannot do anything else except to power off my wii and start again. - Secondly, i decided to install (or to try to install) again the IOS70 using the DOP-IOS app from HBC, but now the app doesn't start anymore, black screen.... and black screen even with NEOGAMMA and WIIFLOW and many freeze with WADmanager 1.5. p.s it is not a problem of my SD because i tried even with an other one and even to re-download again the apps. Is it possible that all this happend for the wrong installation of IOS70? What do you think i should do? I don't have a backup of my WII on my BOOTMII so I was thinking to downgrade to 4.1 again and maybe do not use anymore DVD backups but a USBloader. I would like also to clean my WII and do not have anymore these kind of problems! Someone said to me to format my WII, but i'm worried to fully brick it and i don't find any guide that could help me step by step. I was thinking even to buy directly the NSMB but i belive that even the original will not work. Need a help. Thanks at all, i'm really a noob with all these IOS and i truly hate them.