You cannot install WMP10 on top of WMP11 - don't try. Once you roll back
from WMP11, WMP10 will just be there.

What's the crash bucket number?
http://zachd.com/pss/pss.html#bucket

Did you run CCleaner (aka Crap Cleaner) on this system at some point.... ?

--
Speaking for myself only.
See http://zachd.com/pss/pss.html for some helpful WMP info.
This posting is provided "AS IS" with no warranties, and confers no rights.
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"ToddZilla" <ToddZilla@discussions.microsoft.com> wrote in message
news:2067F8D0-3CE3-4E8D-BE4A-22BE9880F270@microsoft.com...
>I have done the three step process for "rolling back" to Windows Media
>Player
> 10. When I go to launch Windows Media Player I get the setup installation
> for Windows Media Player 11 instead of 10 and then the good old "Send
> Error
> Report" dialog box. It is clear to me that the three step "roll back"
> sometimes works and in my case it does not. When I try to run the setup
> for
> Windows Media Player 10 it tells me a newer version of the player is
> running
> on my system. How do I get rid of Media Player 11 once and for all.