Free CD/DVD ISO Emulator

Microsoft have produced a free (and unsupported) CD emulator.

With this tool you are able to create a virtual CD drive and mount and ISO file to it, this can be used to save damaging your original CDs.

Download: http://download.microsoft.com/download/7/b/6/7b6abd84-7841-4978-96f5-bd58df02efa2/winxpvirtualcdcontrolpanel_21.exe