Tor Browser Bundle question

To: or-talk@xxxxxxxx
Subject: Tor Browser Bundle question
From: "a. smith" <cinephile355@xxxxxxxxx>
Date: Fri, 28 May 2010 12:22:00 -0700
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I have been using the Tor Browser Bundle on a usb pen drive on Windows. Will any traces of my data be saved on the host computer or on the pen drive?