Hi, I am using WD My Book 500GB with NTFS format in the combination of Configuration USB Loader, Wii Backup Manager and WiiExplorer. It was running good until this morning I detached my HDD from Wii and connected it to the home PC Windows 7. There's a popup dialog asked me to format the drive. I cancelled it and opened Explorer but it didn't allow to access the HDD unless I agreed to format the drive. I remember the last action I did in Wii was using WiiExplorer to copy some music and covers from PC/SD to NTFS HDD (at this time the HDD was connected to Wii). Has anyone experienced the similar thing? Any advice to fix this to save my data in the HDD? Thanks in advance. PS. I know there might be a problem with the HDD, but aside from that, I'd like to get the opion and suggestions before suffering the pain to format the drive.