Thanks for contacting us here! From your description, we suspect that you've installed the Trend Micro's free tool called Trend Micro Rescue Disk, which allows you to use a CD, DVD, or USB drive to examine your computer without launching Microsoft Windows. Here's an online article to help you start or boot your computer from a CD/DVD or USB device to use the Rescue Disk: Using Trend Micro Rescue Disk
If you did not install this or you don't really want it, please just delete the TMRescueDisk folder. Thank you.