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Settings -> Preferences 
Invokes the Preferences dialog window, where you can change, among others, the following 
options:
Wipe cached passwords on exit 
If enabled, passwords (which may also contain processed keyfile contents) cached in driver 
memory will be cleared when TrueCrypt exits.
Cache passwords in driver memory 
When checked, passwords and/or processed keyfile contents for up to last four successfully 
mounted TrueCrypt volumes are cached. This allows mounting volumes without having to 
type their passwords (and selecting keyfiles) repeatedly. TrueCrypt never saves any 
password to a disk (however, see the chapter Security Requirements and Precautions). 
Password caching can be enabled/disabled in the Preferences (Settings -> Preferences) 
and in the password prompt window. If the system partition/drive is encrypted, caching of 
the pre-boot authentication password can be enabled or disabled in the system encryption 
settings (Settings > ‘System Encryption’). 

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Open Explorer window for successfully mounted volume 
If this option is checked, then after a TrueCrypt volume has been successfully mounted, an 
Explorer window showing the root directory of the volume (e.g., T:\) will be automatically 
opened. 
Use a different taskbar icon when there are mounted volumes 
If enabled, the appearance of the TrueCrypt taskbar icon (shown within the system tray 
notification area) is different while a TrueCrypt volume is mounted, except the following: 
o
Partitions/drives within the key scope of active system encryption (e.g., a system 
partition encrypted by TrueCrypt, or a non-system partition located on a system 
drive encrypted by TrueCrypt, mounted when the encrypted operating system is 
running). 
o
TrueCrypt volumes that are not fully accessible to the user account (e.g. a volume 
mounted from within another user account). 
o
TrueCrypt volumes that are not displayed in the TrueCrypt application window. For 
example, system favorite volumes attempted to be dismounted by an instance of 
TrueCrypt without administrator privileges when the option 'Allow only 
administrators to view and dismount system favorite volumes in TrueCrypt' is 
enabled.