NewsWare send words that Dell has released 2 patches for the CyberLink PowerDVD software.

The patch versions are :
CyberLink PowerDvd patch v4.0c.09
CyberLink PowerDvd patch v4.0.09

This CyberLink PowerDVD v4.0c.09 patch should be used only when the Altec Lansing 995 speaker is used. If you dont use them or dont have those speakers then just use this patch : CyberLink PowerDVD patch v4.0.09.

Check the changelog and the download links