Perhaps the most exasperating thing about Vista is the security feature
called: "User Account Control". UAC, satirized in an Apple (AAPL) ad as a 
security guy who constantly interrupts a conversation, appears as a pop-up 
asking permission before Windows will do a number of things: change system 
settings, install programs, or update antivirus software. UAC may well be 
necessary to block malicious programs from secretly installing themselves 
or hijacking your browser settings. But Microsoft has designed it to drive 
you nuts. Unfortunately, turning off UAC is not an option, as it severely 
weakens Vista's defenses.

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Vista presents many challenges for soundcard manufacturers, mainly from its
more stringent DRM and content-copyright protection schemes, which do not 
allow for such familiar features as the Stereo Mix. 

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AUDIO MIXER:
  Remember the Audio Mixer as included in all previous Windows versions?
  Start > All Programs > Accessories > Entertainment > Volume Control
  Or from the Run Command: "sndvol32.exe" 
  Unfortunately, this is no longer available in Windows Vista.
  Try to Run this command in Vista and you will get an error.




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DEVICE UNAVAILABLE:
  Start > Control Panel > Sound > Recording > Under Microphone select a device
  > Click on "Set Default" 
  The rest of the devices will then display:
     "Unavailable"
  This does not mean they are not functional. It simply means that they cannot
  be used because another device has been selected as the default device.  

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MIDI IMPLEMENTATION:
  There is no MIDI control anywhere, not even a status display. In Vista you 
  can only control MIDI and display MIDI devices info and status only using 
  3rd party Software.

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STEREO MIX - WHAT YOU HEAR:
  There is no "Stereo Mix" or "What You Hear" feature to combine all incoming 
  sources for Recording. 

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SERVICE PACK 1 (SP1):
  The service pack will not install on computers that use peripheral device 
  drivers that Microsoft has deemed incompatible. The list includes a small 
  set of audio and display drivers made by Realtek and Intel (NSDQ: INTC), 
  as well as drivers from several other manufacturers. 
  Vista SP1 includes more than 300 hot fixes for the OS. 

  Microsoft is hoping that Windows Vista SP1 will quell some of the 
  disappointment that greeted the operating system's initial rollout early 
  last year. Many corporate and home users complained about its resource 
  requirements and lack of compatibility with existing applications. 

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WINHLP32 - NO SUPPORT:
  Windows Vista does not Support the standard Windows Help format "Winhlp32", 
  which is used by Voyetra programs to display their Help files. When you
  click on a "Winhlp32" Help file an error is generated alerting you on this
  and takes you to the Microsoft Web Site Knowledge Base with info on how to 
  address this issue in Windows Vista. 

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RECORDING WIZARD in AudioSurgeon may not be available.

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The MP3 capability in AudioSurgeon is NOT available in Windows Vista. 
Not even at the poor quality of 56kbps. The drop-down menu is grayed out.

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RECORD PRODUCER "Notation window" may not function in some Vista systems.   
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