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If a user leaves an audio-enabled program running, and then a subsequent user profile is accessed by means of the Fast User Switching feature, the audio may be heard in the newly logged-on profile even though the program is being run under the initial-user profile.
NOTE: The expected behavior is for the audio to be heard only from the programs that are being run by the currently logged user profile.
This behavior can occur because many programs can have difficulty with the Fast User Switching feature. Most programs have been designed for single users on a single computer, and these programs do not know how to respond to a Windows notification that a fast user switch is about to occur.
To resolve this behavior, either upgrade the programs, if applicable, or stop the sound-emitting program before switching users.
For additional information, refer to the following Microsoft Web site:
The following list contains the names of programs that can play audio. Whenever any of these programs are left playing audio, they are likely to enable the audio to be heard if they are running in another user profile while the Fast User Switching feature is being used to log on as a different user:
AudioCatalyst version 2.1
MusicMatch Jukebox version 6.00.0270
PowerDVD version 3.0
RealJukebox 2 Basic version 188.8.131.520
RealJukebox 2 Plus version 184.108.40.2060
SIREN Jukebox version 2.0a
Sonique version 1.808
Winamp version 2.72
WinDVD 2000 version 2.3
RealPlayer 8 Basic version 220.127.116.110
RealPlayer 8 Plus version 18.104.22.1680
Spinner Plus version 3.1
QuickTime version 4.1.2
XingMPEG Player version 3.3
Jump Start Phonics
Jump Start Adventures 3rd Grade
Jump Start 2nd Grade
Jump Start 1st Grade
Jump Start Toddlers
Final Fantasy VIII
Deer Hunter Avenger
Media Cleaner Pro version 4.02
Cubase VST version 5.0
Frogger 2: Swampy's Revenge
Test Drive Off-Road
The Magic School Bus
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.