I'm trying to get iTunes 10.5 but my computer told me 'the signature is invalid'

I'm trying to get iTunes 10.5 but my computer told me 'the signature is invalid'
How can I solve this?

Hi Rick,
by "repair" I mean I went to the control panel, option - programs and features, and in the list of all my installed programs I selected "Apple Software Update". On top of the screen you find the options Uinstall, Change and Repair. I clicked the repair button and that did the trick. After the repair I could uninstall the program. I also uninstalled iTunes, Apple Application Support, Apple Mobile Device Support en Bonjour, thus all Apple programs. Then I installed iTunes 10.5 again and everything went fine.
Success,
Peter

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I am trying to install itunes 10.5 but I get an error message that says click ok to try again or enter an alternate path to a folder containing the installation package iTunes.msi...I try to point iTunes to the .msi file but that is not working.

i am trying to install itunes 10.5 but I get an error message that says "click ok to try again or enter an alternate path to a folder containing the installation package iTunes.msi..." I try to point iTunes to the .msi file on my c drive but then it gives me a message says "the file location is not a valid installation packaage for the product iTuness. Try to find the installation package 'itunes.msi' in a folder from which you can install iTunes". Any help, insight, guidance would be greatly appreciated!!

"The feature you are trying to use in on a network resource that is unavailable. Enter alternate path to a folder containing the installation package itunes64.msi".
Download the Windows Installer CleanUp utility from the following page (use one of the links under the "DOWNLOAD LOCATIONS" thingy on the Major Geeks page):
http://majorgeeks.com/download.php?det=4459
To install the utility, doubleclick the msicuu2.exe file you downloaded.
Now run the utility ("Start > All Programs > Windows Install Clean Up"). In the list of programs that appears in CleanUp, select any iTunes entries and click "Remove", as per the following screenshot:
Quit out of CleanUp, restart the PC and try another iTunes install. Does it go through properly this time?

I am trying to upload itunes 10.5, but get a message "There is a problem with this Window Installer Pkg. A program required for this install to complete could not be run. Contact your support personnel or package vendor". What is it I need to do?

I am trying to install itunes 10.5, but during the download I get the following message, "There is a problem with this Window Installer Package. A program required for this install to complete could not be run. Contact your support personanal or package vendor." If this is my personal computer and was able to upgrade to the previous version (pre 10.5), why not now? What is my "package vendor"? And what is it I need to do to fix this? The message is unclear. Unfortunately, I deleted my itunes program, thinking that in doing so, 10.5 would finally load. Now I have no itunes on my computer and unable to sync my iphone. Help!
Thanks - Rick

Hi Rick,
by "repair" I mean I went to the control panel, option - programs and features, and in the list of all my installed programs I selected "Apple Software Update". On top of the screen you find the options Uinstall, Change and Repair. I clicked the repair button and that did the trick. After the repair I could uninstall the program. I also uninstalled iTunes, Apple Application Support, Apple Mobile Device Support en Bonjour, thus all Apple programs. Then I installed iTunes 10.5 again and everything went fine.
Success,
Peter

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Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
tt2

I'm trying to get iTunes 10.5 but my computer told me 'the signature is invalid'

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