What won't finish? Does the install crash or does the player crash?
Do you have mmswitch.ax on your system?

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(speaking for myself and doing this in my free time)
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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"dylan_mongoose" <dylan_mongoose@discussions.microsoft.com> wrote in message
news:A3FB9612-B78C-486B-B6DE-03DF9BCBFF92@microsoft.com...
> When I try to open Windows Media Player manually, or by using a link to
> see
> video, all I get is the response "an internal application has occured". I
> have tried upgrading to Windows Media 10, but it won't finish- the same
> message appears. What can I do?