Can No Longer Burn Playable CDs - Help!!!

Recently I've been having a lot of problems burning music CDs. When the CD
is completed, the program always says that the burn was successful, however,
when I try to play it in my home stereo or car stereo, it will play to the
end of the first track and then go back and repeat about the last 10 or 15
seconds of that track. I have to manually advance it to the next track.
Then it does the same thing with every track up until about track 10 (out of
about 20 tracks) where it stops dead still. At that point it won't even let
me advance it manually to the next track. I can make it play on the
computer, but there are some strange little noises and skips on every song.

I've done a lot of troubleshooting, and I've determined that the problem has
to be with my computer. I'm running Windows XP Home Edition with SP2, and I
always turn off the screensaver, firewall and antivirus program before
starting to record, and the mp3 files I'm using are ones that I have burned
to CDs before. I know there's nothing wrong with them.

It matters not which CD burning program I use. I've tried Roxio 5, Roxio 7
(that I just got with my new DVD/CD burner), Nero, and Windows Media Player.
I also have a second CD burner on the same computer, and I've tried burning
with that one, too. The results are always the same. It also cannot be the
blank CD-R's I'm using, because I have recorded many CDs of the same brand
from the same package, and they all play beautifully.

I really need some help. I've yet to try burning a DVD since I got the new
burner for fear that it won't work right either. I've made about 10 CD
coasters now, and this wastefulness is starting to get expensive. I'd
appreciate any suggestions any of you might have, but please explain in
layman's terms. Thanks in advance! .....Pam