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Error 42404

I keep getting this error message saying my quicktime needs to be installed or repaired. But its working just fine. When I try to install the latest update I get an error message saying there was a problem downloading it. I have not been able to get into my Itunes since.

HP, Windows Vista

Posted on Nov 22, 2008 3:26 PM

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16 replies

Nov 28, 2008 4:30 AM in response to Clark42

I fixed the problem yesterday, found a link in this forum where it said to uninstall all apple products. so i uninstalled itunes first but did not reboot. also quicktime, updater, mobileme, bonjour, all that stuff. after that i rebooted. the guide told me to delete some files in some folders but i didnt had those files so i started to install the newest itunes version and tadaaaa it worked.

the bad thing i cant finde that guid because i was surfing through so much sides i just cant remember today where i find it :/
Hope it helps you anyway.

Nov 30, 2008 1:43 PM in response to MissouriGal86

Yeah, I'm getting this same error message. I really hope it doesn't require uninstalling and reinstalling everything to do with Apple...there are a couple other threads related to problems with the new update, so I think it's clear that it was put out with errors or something of the like.

I don't know a huge amount about computers, but if I uninstall all Apple software, am I gonna lose songs and/or playlists for my iPod?

Dec 4, 2008 10:13 PM in response to Clark42

Hey Everyone! I had this same problem...worked for HOURS trying to solve. FINALLY found a solution. I provided a link for where you can fidn free where for both downloads you'll need. Remember to install the add on after you install QT Alternative. Both can be found on the link I provided.

1. uninstall QuickTime
2. Install Quicktime Alternative ( http://codecpackguide.com/quicktimealt.htm)
3. Install the QT alternative itunes add on

As soon as i did this...I was able to get into my itunes again after hours and hours of messing with it and trying everything else. there is really not much info about solving this problem...guess I got lucky.

Good luck!!

Mar 8, 2009 1:14 PM in response to Clark42

I had the same error messages. Quick and easy steps:
1. Control panel/ remove All quick tunes and itunes.
(if itunes will not delete another step involved)
2. itunes did not delete, you must install window installer cleanup.
search down the file for itunes highlight and remove. Do the same for quick tunes if still present.
3. Start/search for files and folders: "itunes" delete them all, "Quicktime" delete them all.
4. Your choice, go to itunes and down load Quicktime & itunes together, or go to google and download seperately. (my choice to do seperately).
5. NOTE: ( don't know if this was necessary) but rebooted computer after each step.

Through much trial and effort and a bunch of research, it finally worked.
GOOD LUCK to all. Hope this works well for you all.

Mar 18, 2009 8:35 PM in response to Clark42

I am now having this problem and it is really annoying. I am afraid that if I uninstall iTunes I am going to lose all my music (and I have a huge library!).

I have uninstalled + repaired QT and I have installed QT Alt 280 + iTunes add ons, both of these methods failed.

Someone suggested exporting my library and converting the tracks to ID3 Tags then uninstalling, re-installing and importing the library and tags again. But how do you export when iTunes won't even open???

If I just back-up my tracks to a different location and uninstall will this be difficult or damaging for when I re-install and want to load up my library again?

Hope someone can help me. Thanking you in advance.

Error 42404

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