Bonjour causing problems with Windows 7

Hi -
I installed iTunes 102.2.14, 64-bit version on my HP dm1 laptop. 
While iTunes runs fine I have been having some issues that are only resolved by disabling Bonjour so I wanted to post as a PSA.
I found that my iTunes movie downloads were incredibly slow - no movie could be downloaded in under 5 hours.  I also found that my laptop would hang if I tried to download more than one movie at a time.
After a reboot in Safe Mode with Network, I was able to download my remaining movies very quickly and my laptop stopped hanging.  I've seen a couple of other threads about Bonjour being problematic on Windows 7, so I rebooted and disabled Bonjour.
Presto - no Bonjour, no problem.  My next movie downloaded in under 20 minutes.  No more Windows hanging.
hth,
AliKelSea

I perform computer support for a number of people and recently ran into this EXACT same problem.
Dell desktop with Windows XP 32 bit SP3. iTunes has been on this machine for over 3 years and has been update regularly.
Everything was fine until iTunes version 10.2.2. was installed, then iTunes would hang and not start causing a windows crash report to be generated.
I uninstalled iTunes, scrubbed the registry, rebooted the machine reinstalled the current version of iTunes, same problem.
I uninstalled iTunes again, scrubbed the registry, rebooted the machine reinstalled a prior version of iTunes, same problem.
I uninstalled iTunes, Boujour, Mobile Me, Apple Mobile Device Support, Quicktime, rebooted the machine, reinstalled a prior version of iTunes again, same problem.
Finally killed the process mDNSResponder.exe in the Task Manager. iTunes opened up no problem.
Went into Services.msc and disabled Bonjour so it does not start. Problem solved for now.
I have only run into this problem on this one computer, I believe that there may be a conflict with some other program installed and running on this machine.
Hope this info helps others as well.

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