Re: KB968816 prevents WMP10 playing some MP3 files
- From: "Neil Smith [MVP Digital Media]" <neil@xxxxxxxxxx>
- Date: Sun, 04 Oct 2009 23:13:19 GMT
I'll follow this up for you if verified.
Can you confirm the playback isue was resolved when you rolled back
KB9688816 (have you re-checked Add/Remove programs to ensure this KB
is not installed any more ?)
Cheers - Neil
On Sat, 3 Oct 2009 03:29:01 -0700, IanW
<IanW@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
------------------------------------------------
It appears that recent Windows XP security update KB968816 breaks WMP 10.
I noticed that some MP3 files would not play. I am running XP SP3 with all
latest security patches. Though I have now uninstalled KB968816.
I found the following problem reported on the web somewhere. It sounds like
my problem (the symptoms are the same) but I can't vouch for the detailed
analysis though the chap does appear to know what he is talking about.
I've encountered a problem with MCE / Windows Media Player 10, after
installation of update KB968816 (Security Update for Windows Media Format
Runtime).
After this update, MCE and WMP refuse to play any MP3s containing a TLEN
(Total Length) field in the ID3 tags (which were previously playable), giving
the message:
"The file you tried to play <filename> is either missing, corrupt or in
a location that is not currently available." (MCE2005)
or
"Windows Media Player cannot play the file. The Player might not support
the file type or might not support the codec that was used to compress the
file." (WMP10)
TLEN is a commonly-used field present in a large number of commercially
available MP3s and is also inserted by several MP3 creation programs.
Manually removing the TLEN field from the MP3 file results in the file
becoming playable; re-creating the tag results in the error message
re-occuring.
This problem has occurred on 3 separate XP systems (2 with MCE2005/SP2+WMP10
and one with just XP/SP2+WMP10). I've also tested this out on a clean
install of XP+WMP10+SP3. Manually applying KB968816 causes the error;
uninstalling it allows the files to play.
This seems to be a bug in update KB968816 (if this field can't be supported
for some reason, the value should be ignored; the file should still play).
Obvious courses of action are to:
* remove KB968816 - since this is a "critical security update", I'm not
comforable with that; or
* remove TLEN from every MP3 in my collection - which I'm also not happy
with, since that's a "moderate" amount of effort, and a loss of data, just to
work around a bug.
I'm hoping that this information can somehow get back to the Microsoft
development team.
Digital Media MVP : 2004-2009
http://mvp.support.microsoft.com/mvpfaqs
.
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