Roxio has a known issue with no playing nice with other programs. If that was the case, this link should fix it. If not, it won't hurt anything. Re-install Microstudio after you try this fix.
http://support.microsoft.com/kb/314060
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Test machine:
Vista Home Premium / Toshiba Satelitte X205 / 2.0GHz Core2 Duo / 2GB memory / 2x NVIDIA GeForce 8600M GT
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