ITunes 11.0.4 playback stutters

Hello,
Since upgrading to the lastest version of iTunes, every 30 seconds or so the playback of audio tracks stutters like it does when the CPU is very high.
However, this is not the case as it does it when only iTunes and nothing else is running. This is becoming very infuriating and would appreciate some pointers as it can't be anything serious. Hopefully it's just a buggy upgrade. I've re-installed iTunes, checked for soundcard driver updates to no avail.
I'm on Windows 7 service pack 1 64-bit. Thanks in advance.

Continuing the conversation with myself, I have created a new user account and tried to play some tunes there. On inital startup of iTunes in that account, no sound would play when playing a song in iTunes. Playing songs in quicktime player or in the browser worked fine, but for the life of me I couldn't get sound to come out of iTunes for music files. Tried a TV episode and that worked fine.
So I nuked the prefs file for iTunes, and restarted. Finally some sound from music files! And I've now played 3 albums in iTunes in this account with no hangups in playback.
Now the question remains, what is wrong with my existing profile and do I try to fix it or do I move all my content into this new profile and forget about the old one?

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video playback stuttering at times in several applications.
Quicktime wouldn't work either.
Until you max out your ram, you are pretty much stuck between a rock and a hard place. In the meantime, make sure you have the latest versions of
Adobe Flash Player
Flip4Mac
VLC Media Player
Perian
Movist
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Disconnect all peripherals from your computer. Boot from your install disc & run Repair Disk from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
Restart your computer when done.
Repair permissions after you reach the desktop-http://docs.info.apple.com/article.html?artnum=25751 and restart your computer.

ITunes 10 stalls on playback with Library on USB (2 and 3), OS X 10.8.2 2.6 GHz intel i7, MP3 320 kbps, playback is fine using internal SSD...

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Is there an Apple certified technique to prevent disk spin down ?
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Maybe iTunes could simply buffer larger sizes of the file, or the whole file.
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http://d43.me/blog/413/slow-startup-and-sleep-problems-on-macbook-pro-22/
Removed the 5 IOFirewire files removed from System/Library/Extensions and rebooted. Startup up within seconds!
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AE CS3 HD exported Quicktime playback stutters!

Hello AE wizards,
The Problem: After exporting our HD After Effects project to QuickTime the playback stutters just a bit. It will run along fine and then it jerks/hiccups. This happens at various times during playback. We have tried many different export settings but no luck. We would really appreciate some help with this. Thank you.
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Yes. I've viewed your quicktime and...
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Check the original animation file by step framing through one frame at a time. Do you see frames that are exactly the same as the previous one? If the answer is yes... then you need to re render the animation, try doing it at the same frame rate you plan to output (29.97fps).
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RobK

It's in Preferences>Advanced>General.
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Hi There,
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Baffled,
Greg

Hi Greg.
I seem to have discovered this problem this weekend. I listen to a lot of music from my apple devices and have done for years. What I have noticed this weekend is that both my Macbook 2008 and iMac late 2010 both suffer with a brief stutter every minute or so making the enjoyment of listening to music a little annoying. Both are running Mountain Lion 10.8.2. My iMac is running the 2.93 GHz intel i7 processor with 8GB ram. Playing music should be a doddle!
From my point of view both Macs are running independently to external speakers. The music I am running on those 2 devices has been ripped on both devices. e.g. Macbook has ripped and plays Apple Lossless format and my iMac has ripped and plays songs in 320kbps. My guess is its a bug with the new iTunes 11 or Mountain Lion although I have been using 11 since its release.
While I'm not able to supply a fix I think its safe to say its not your new Mac Pro. One other thing to note is that I have been running up until this weekend a 7 or 8 year old Mac Mini as a media device in my kitchen playing Apple Lossless format with no issues at all. This device however is running Snow Leopard with all updates applied. The Macbook is now playing the Lossless music with stutters that was ripped on the Mac Mini that was playing OK.
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Take care
Paul

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ITunes 11.0.4 playback stutters

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