If you experience the subject behavior, you are probably still using the FAT or FAT32 file system!
Convert to NTFS:
1. Open a CMD prompt and type:
CONVERT <driveletter:> /FS:NTFS
2. You may receive:
Convert cannot gain exclusive access to the <driveletter:>, so it cannot convert it now. Would you like to schedule it to be converted the next time the system restarts (Y/N)? This message can occur when: - The <driveletter:> contains your system files. - An application or process has a file open on the <driveletter:>. - The current directory is on the <driveletter:>. Respond Yes.See: