Error 1921

I'm hoping someone can help.
I tried to install Itunes 7.2 and received the following error message "Error 1921. Service ipod service (Ipod service) could not be stopped. Verify that you have sufficent privilges to stop system services".
I also tried to remove/unintall Itunes to start over and received the same reply.
Anyone have any ideas?

actually, the 1921s and 1920s discussed in that document referenced the BonJour Service rather than the iPod Service. no itunes installer bundle but the 5.0.0.35 included a standalone BonJour application, so no other versions get that particular version of the 1921 error.
Quite often with 1920s and 1921s citing the iPod Service, what's going on is a result of the itunes installer having a hard time shutting down applications using QuickTime (itunes, the QT control panel, QuickTime itself, or sometimes web browsers). what can help with that is a a "download, restart, then install strategy."
leave your ipod unplugged.
download and save a copy of the itunes installer to your hard drive. (do not run the install on line, and do not start the install by clicking on the iTunesSetup.exe (installer) file just yet.)
iTunes 7.1.1.5 Installer
shut down running applications and restart the PC.
do not open any other applications prior to attempting the iTunes install. switch off antivirus and antispyware applications prior to the install.
now start the install by doubleclicking the iTunesSetup.exe file.
does the install go through properly this time?

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