This is my system : System Partition [C:] = WinXPproSP2 + Applications including TrueCrypt Data Partition [D:] = personal data, emails and email-address-books (Thunderbird) Backup Partition [E:] = external harddisk containing .tib-files (ATI) and .arx-files (FDISR) I want to encrypt my whole Data Partition [D:] with TrueCrypt, but this is my very first encryption and it doesn't work. I always have troubles the first time with any software. I created a "Standard TrueCrypt Volume [T:] with location "\Device\Harddisk1\Partition1" and did a format of the complete volume. I don't think I did it right, because I can't access my data partition [D:] anymore. Don't worry about it, because I took all precautions to recover my system and data partition, the way it was. So I'm not in panic, I'm only trying to figure out, how TrueCrypt works. I thought it was easier. I don't even understand why I had to create the volume [T:], I thought TrueCrypt would encrypt my Data Partition [D:] and I could access my encrypted data after that. Obvious not. In Windows Explorer : - System Partition [D:] : I can't access it anymore and the partition name changed into "Local Disk" - Local Disk [T:] : I can access it, but it shows only one folder "System Volume Information" If I click on it I get "Access Denied". If I try to access my .doc-file via Word I don't see anything, same for Excel. So something is wrong. I would appreciate it, if somebody could give me some basic tips, so I can try again. Thanks in advance.