Quality Windows A/V Experience – QWAVE.DLL

Qwave.dll is required for the Quality Windows Audio/Video Experience (qWAVE), the next generation Quality of Service (QOS) platform introduced in Windows Vista. qWAVE provides new features focused on streaming multimedia and real-time content over variable bandwidth networks. More information can be found at http://msdn2.microsoft.com/en-gb/library/aa374110.aspx. We'd recommend leaving this file in place.

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Microsoft