Sounds like the sync software (on the device, I'd presume...) is locking up.
Is there a software update on their site for this?

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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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"m27jean" <m27jean@discussions.microsoft.com> wrote in message
news:32C8DB01-7055-45FC-A9DD-561F98558F6D@microsoft.com...
>I am trying to rip my cd's and then sync them to my Digital DJ device using
> windows media player. The first time I try, I can sync as many cd's as I
> want. Then when I attempt to sync more ripped cd's (on another day), it
> won't
> recognize my device and I get an error message. The error message is:
> Windows
> Media cannot modify synchronization settings at this time. Try again
> later.
> I've tried to research the error messsage and have had no luck! This has
> happened on both my personal computer and my office one.