Recent Disk Utility encryption failure

Hi folks. Today, I tried to create a new blank disk image in Disk Utility that's password protected, but it opens without asking for a password. I never had this problem before. I don't think I'm doing anything different. I made sure I unchecked the 'Remember password in my keychain' check box.

Here's what I'm doing in the New Blank Image dialogue box:

Save As: secured files 02 (in -user-/Library/Application Support/Final Cut Studio)
Name: secured files 02
Size: 50GB
Format: Mac OS Extended (journaled)
Encryption: 128-bit AES encryption (recommended)
Partitions: Single partition - Apple Partition Map
Image Format: read/write disk image

Snow Leopard on a MacBook Pro (late 2010)

Partitions: Single partition - Apple Partition Map

Click to expand...

You can't use that as it's for the older Apple partition scheme which is the default for PPC machines. Your MBP can only use the GUID partition scheme.

GUID doesn't work either. Funny, when I delete the dmg file, it's not showing up in the trash as usual.

The issue with trash has been resolved using terminal. Still can't encrypt.

I'm re-posting this since I only got one reply which didn't work. I'm trying to create a new blank disk image in Disk Utility that's password protected, but it opens without asking for a password. I never had this problem before. I don't think I'm doing anything different. I made sure I unchecked the 'Remember password in my keychain' check box.

Here's what I'm doing in the New Blank Image dialogue box:

Save As: secured files 02 (in -user-/Library/Application Support/Final Cut Studio)
Name: secured files 02
Size: 50GB
Format: Mac OS Extended (journaled)
Encryption: 128-bit AES encryption (recommended)
Partitions: Single partition - Apple Partition Map
Image Format: read/write disk image

Snow Leopard on a MacBook Pro (late 2010)
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Combined your two threads into one. Let's keep it all in one thread until it's finished.