ITunes & Quicktime has an invalid signature. The program has been removed

When I try to update itunes through the apple software update, i get error message 'itunes and quicktime has an invalid signature. the program has been removed.'
When I go to download from the apple website.. it downloads 10% and then stops.
I have tried downloading through google chrome, firefox and IE, I have tried to delete my temp file, And I have also gone into internet options and ticked 'allow software to run or install even if signature is invalid'.
Nothing is working!!! Does anyone know how to fix this?

Okay. Try downloading and saving the installer onto a different PC. Copy the iTunesSetup.exe (or iTunes64Setup.exe) onto a USB key or thumb drive or other external drive (or even burn it to a CD) and then carry it to your PC. Copy the installer onto your internal hard drive, and then start the install by doubleclicking the iTunesSetup.exe (or iTunes64Setup.exe).
(If we can get a working copy of the installer onto a PC, installs will usually go through without the invalid-signature/not-valid-win32/unknown-publisher/etc errors.)

Similar Messages

  • What does it mean when you try to update i tunes and it tells you "itunes has an invalid signiture. the download has been removed"?

    what does it mean when you try to update i tunes and it tells you "itunes has an invalid signiture. the download has been removed"?

    What kind of things are you seeing as disabled? The administration might have disabled some features because they don't fit in the structure of the community that has been built over the last few years. This community used to be based on a forum platform called Lithiu . At the beginning of the 2012 it was moved to a forum platform called Jive. It brought a lot changes to the community. Some of which many of us regulars are still finding after almost a year.

  • I cannot update  iTunes because when I run the Apple Software Updater, it says "'iTunes   QuickTime' has an invalid signature. It will not be installed." If I try downloading only it says "'iTunes cannot update.  Invalid signature.

    I cannot update  iTunes because when I run the Apple Software Updater, it says "'iTunes + QuickTime' has an invalid signature. It will not be installed." If I try downloading only it says "'iTunes cannot update.  Invalid signature.  Can someone help?

    This forum is for questions from those managing sites on iTunes U, Apple's service for colleges and universities to post educational material in the iTunes Store. You'll be most likely to get help with this issue if you ask in the general iTunes for Windows forums.
    Regards.

  • When downloading updates for Quicktime 7 and Itunes 10 I keep getting an error saying that files shared by these updates has an invalid signature and that the downloaded has been removed.

    When downloading updated for Quicktime 7 and Itunes 10 I keep getting an error saying that files shared by these updates has an invalid signature and that the downloaded has been removed. If I don't get that message I get a message saying that the download was unsuccesful and that in order to download I need to go to tools and then select dowload only. Please help I really want to update my iphone!

    Thanks for helping out, but I already tried these steps.
    I even tried this on a iMac with similar results. The only difference was that the errorcode was called 2001 instead of 21.
    Today I took the phone to www.iphoneambulancen.dk. A guy (in Aarhus, Denmark) that specializes in iPhone repairs. I figured, that given his occupation he'd seen most errorcdes. Two hours later, he called me back, and told me that he had replaced the battery.
    So, it turns out that a broken battery can cause this behaviour.
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  • 8.2.1 error message "iTunes + Quicktime" has an invalid signature.

    I am getting this error message when I am trying to download & install the 8.2.1 update. The entire message states "iTunes + Quicktime" has an invalid signature, it will not be installed. I saw another post started by Cfrolich, but it doesn't look like they got the problem fixed. Has anyone had this same error message? Can anyone help??

    I have not had this problem before but the latest update to iTunes + Quicktime, offered today, puts me in the same situation.
    The web is covered with reports of this issue over the years, always "iTunes + Quicktime has an invalid signature", but nothing I can see which is a good fix for the problem.
    Tried chkdisk, install manually doesn't work, the installer just keeps trying.
    Tried installing QT 7.6.4 independently from the Apple download page, that didn't help either.
    If this is so prevalent, why isn't there more on the main Apple site about it?

  • I get an error "iTunes + QuickTime" has an invalid signature while updating from 10.1 to 10.2.2

    I get an error "iTunes   QuickTime" has an invalid signature. The download has been removed.  When trying to update from version 10.1 to 10.2.2.  I have a Toshiba laptop running Windows 7 OS.  I have tried repairing all the Apple software on the laptop.  What do I need to do to get this updated?

    I have not had this problem before but the latest update to iTunes + Quicktime, offered today, puts me in the same situation.
    The web is covered with reports of this issue over the years, always "iTunes + Quicktime has an invalid signature", but nothing I can see which is a good fix for the problem.
    Tried chkdisk, install manually doesn't work, the installer just keeps trying.
    Tried installing QT 7.6.4 independently from the Apple download page, that didn't help either.
    If this is so prevalent, why isn't there more on the main Apple site about it?

  • "iTunes + Quicktime" has an invalid signature. It will not be installed.

    What am I supposed to do???
    I have tried and tried for weeks now.
    1. a box pops up that says "Apple Software Update" and it says "New software is available from apple"
    2. I click on "Install 1 Item"
    3. I click on "accept"
    4. It acts like its downloading...
    5. "iTunes + Quicktime" has an invalid signature. It will not be installed.
    and after i click okay it says if problem presists then click on tools>Download only...
    i did that and it STILL SAYS THE SAME THING!!
    HELP!?!?!?

    I don't understand it ... but it works..
    1. Get a POP-Up that says I need to update my Quicktime and iTunes players.
    2. I click ok -- DO IT!!
    3. I get the error -- "quicktime has an invalid signature".
    3a. I google the phrase
    4. I come here are read these pages ...
    5. I go to microsoft,com and do not find SP3 for XP .. and think that the comments here are "right on" that is not the first choice .. gettting something "new" from Mr. Gates and his crew.
    6. I go to apple.com ...download the files
    7...... and all is well??!!!!
    8.... wondering ...where does that pop-up come from that asks me to update ..?? if not from apple??!!
    Oh Well ... Very happy now ... thank you all for taking the time to input...and educate this old man.
    Respectfully,
    CP

  • When I try to download the latest version of iTunes on my iPod Classic I get the message that "iTunes has an invalid signature" and that "Content was blocked because it was not signed by a valid security certificate.  Anyone know how to fix this?

    When I try to download the latest version of iTunes from apple.com, I get the message "Content was blocked because it was not signed by a valid security certificate."When I open iTunes and try to download the latest version there, I get the message "iTunes has an invalid signature.  The download has been removed."  I have also gotten an Internet Script Error stating that an error has occured in Line 0, Char O and that "Access is denied to images.apple.com/global/scripts/lib/iepngfix.htc."  This problem has never occurred with earlier versions of ITunes.  Anyone know how to fix this problem? 

    Are you downloading iTunes form an Apple website or somewhere else? If the answer is somewhere else, try downloading it from Apple. Click on iTunes in the black menu bar above and go from there.
    Let us know what happens.

  • Itunes and quicktime says it has an invalid signature so it cannot be installed.can someone tell me what to do

    itunes and quicktime says it cannot be installed as it has an invalid signature.what do i do? Can anybody help?

    Hi vikashmetals,
    Here is an article of steps for trouble installing iTunes:
    Trouble installing iTunes or QuickTime for Windows
    http://support.apple.com/kb/ht1926
    Have a good one,
    - Ari

  • HT1349 I am trying to download the new version of itunes and it is stating that it has an invalid signature and the downloan has been removed.  How can I download it or get the signature?

    I am trying to download the new version of itunes and it is stating that it has an invalid signature and the downloan has been removed.  How can I download it or get the signature?

    Try the following user tip:
    Troubleshooting issues with iTunes for Windows updates

  • I cant download the itunes 11.1 it says itunes has an invalid signature what can i do ?

    i cant download the itunes 11.1 it says itunes has an invalid signature what can i do ?

    Have you tried several times?
    Look at some of the topics in the right panel ------->

  • While downloading the newest version, I receive an error saying itunes has a invalid signature and wil not download. Help!!!!!!

    When downloading the newest version, I get an error message saying iTunes has an invalid signature and will not be downloaded.  Help!!!!!

    Thank you for using the Apple Support Communities
    I am assuming you are having difficulties installing the latest version of iTunes. Are you using a Windows PC or a Macintosh? Which version of Windows or OS X are you using?

  • When I try to download and install the latest software version of iTunes, this message occurs:  "iTunes has an invalid signature.  The download has been removed."  Any suggestions?

    When I try to download and install the latest software version of iTunes, this message occurs:  "iTunes has an invalid signature.  The download has been removed."  Any suggestions?

    You seem to have an iTunes problem and not an iPod problem.  I suggest posting in the iTunes forum.
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    From Apple's site?
    Via the Apple downloader
    PC or Mac?

  • When updating iTunes to 11.4 I get the following error:  "Files Shared by these updates" has an invalid signature. It will not be installed. Running Windows 7 64-bit.

    When updating iTunes to 11.4 I get the following error:  "Files Shared by these updates" has an invalid signature. It will not be installed. Running Windows 7 64-bit.

    For general advice see Troubleshooting issues with iTunes for Windows updates.
    The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down page in case one of them applies.
    Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
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  • When attempting iTunes update I get "iTunes has an invalid signature. The download has been removed"

    When attempting iTunes update I get "iTunes has an invalid signature. The download has been removed"

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