Disabling might prove something I guess. However, if it makes no difference then best re-enable or you might lose the functionality of something important to you. If disabling does fix the problem then re-introduce each startup item until you find the culprit.
EDIT: As an aside to the question, there might be some unnecessary startups there that it could be worthwhile disabling. Strictly msconfig is for diagnosis but I've never run into any ill effects due to disabling there.
Always pop back and let us know the outcome - thanks
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