Windows Media Player plays ASF and ASX files. ASF is a compressed file format
... ASX files are textual command files that manage streaming of ASF files.
Open WMP>tools>options>file types tab>check all listed>Apply>OK>reboot.

Signature
XP - WNP
Today is the first day of the
rest of your life.
> About 1week ago my computer stopped playing .asx and .wmv files. I have a
> media player on my MSN Space and this is where I noticed it first. It
> displays the message " The file you are attempting to play has an extension
> that does not match the file format. Playing the file may result in
> unexpected behavior." Can anyone help me with this problem....
I have done that already and it is still the same. I really needs sum help
with this please more ideas on why this is doing this.

Signature
gimmesumknowledge................
> Windows Media Player plays ASF and ASX files. ASF is a compressed file format
> ... ASX files are textual command files that manage streaming of ASF files.
[quoted text clipped - 5 lines]
> > that does not match the file format. Playing the file may result in
> > unexpected behavior." Can anyone help me with this problem....
Byte - 28 Mar 2006 22:18 GMT
A few more. Are you running WMP10? if not, WMP10 Downloa
http://www.download.com/Windows-Media-Player/3000-2139_4-10315037.html?tag=stbc.gp
Resources for Troubleshooting Sound Problems in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q307918
WMP10 Has Encountered a Problem and Needs to Close
http://support.microsoft.com/kb/330332

Signature
XP - WNP
Today is the first day of the
rest of your life.
> I have done that already and it is still the same. I really needs sum help
> with this please more ideas on why this is doing this.
[quoted text clipped - 8 lines]
> > > that does not match the file format. Playing the file may result in
> > > unexpected behavior." Can anyone help me with this problem....