The above in quotes indicates a udf file system, which is the packet writer I mentioned above.
Were you using Direct CD with WinXP all along?
If you don't have Direct CD installed anymore and you hadn't finalized the CDRW you were using then you are out of luck. The only way to read that disk is with the same version of Direct CD.
You say that Direct CD came installed on the computer. What dows that mean exactly? New or used computer?