you may need the udf reader. Scroll to the bottom of the page and look for UDF VOLUME READER
http://www.roxio.com/en/support/ecdc...pdatesv4.jhtml. That is if your using roxio for burning, just install the udf reader in the computer you want to read the cdr.
not unless it is a multi-read cd-rom and only if the disk has been closed and thats a cdr. very few if any cd-roms will read a cdrw