Hello. help! My bonjour is missing for my itunes. I tried reinstalling and I get this message: "Support personnel could not write value manageLLRouting to key \SYSTEM\CurrentControlSet\ServicesBonjourService\parameters

Hello, my Bonjour was missing from my computer for Itunes; I cannot find it in my programs so it seems it has been accidentally deleted. I tried re-installing and got this message: "Support personnel could not write value ManageLLRouting to key \SYSTEM\CurrentControlSet\Services\BonjourService\Parameters".  Someone please help as I am trying to get my itunes reinstalled and recognized by my phone. I use a Windows 7 software.
Any assistance is truly appreciated.
Thanks!

That particular message might be triggered by Trend Antivirus. If so disabling the real time scanner while updating iTunes and other components should work.
See also Troubleshooting issues with iTunes for Windows updates.
tt2

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