Does AdAware from LavaSoft detect any ad/spyware on your system? Are you
running an anti-virus program?
I recall there being some particular virus/trojan that munged WMP, which
might explain this. You'd want to make sure you were up to date on
http://windowsupdate.microsoft.com
-Z

Signature
(speaking for myself and doing this in my free time)
See http://www.nwlink.com/~zachd/pss/pss.html for some helpful WMP info.
Following up to your post with the resolution is good netiquette.
This posting is provided "AS IS" with no warranties, and confers no rights.
All e-mail to this account will bounce or be deleted - *use the newsgroups*.
I'm currently listening to "Achilles Last Stand" by "Led Zeppelin" in
Windows Media Player.
--
> I've seen a lot of you with this problem, and now I and my
> friend are suffering the wrath of the non-opening WMP. If
> I reinstall it, it will work maybe 2 times, then it just
> stops opening all together. I really need help.