QuickTime is optional during the installer of Sharepod and is needed for the media previews of video and audio. This error can happen if the Sharepod installer can't download QuickTime due to Internet connectivity issues or a restricted network .
To resolve this error and be able to complete the Sharepod installer, please try downloading QuickTime directly from the link below:
QuickTime Download URL
Once QuickTime is installed, try running the Sharepod installer again