Itunes "invalid certificate" error message

when launching itunes I get an error message that a certain url has an invalid certificate. I've been to this website many times previously without a problem. I have subscribed to podcasts from it. it has a short alternative url too: cac.org But now, when this message appears, the spinning beachball appears and I can do nothing but force quit itunes. I've rebooted; no change.

Check the time and date on your computer that its correct

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HT2292 gnature can't can't update new version of itunes due to error message saying invalid siupdate new version of itunes due to error messagecan't update new version of itunes due to error message saying invalid si saying invalid si

can't update new version of itunes due to error message saying invalid si

That suggests that the installer is getting damaged during the download.
I'd first try downloading an installer from the Apple website using a different web browser:
http://www.apple.com/itunes/download/
If you use Firefox instead of IE for the download (or vice versa), do you get a working installer?

Can't download iTunes to PC - error message 1327 invalid drive : G:\

Can't download iTunes to PC - error message 1327 invalid drive : G:\ - started with iTunes cd and then internet download - same error message. Restart didnot change anything.

the following InstallShield document is the best place to start with that one:
Error 1327 Invalid Drive

Trying to update to itunes 11.1 getting invalid signature error message

getting invalid signature error message when trying to upgrade itunes 11.1...help me please?

iTunes: Specific update-and-restore error messages and advanced troubleshooting
http://support.apple.com/kb/TS3694
Try this - Disable your firewall and anitvirus software temporarily. Then download and install the iOS update.
 Cheers, Tom

Problem updating itunes, keep getting invalid signature error message!!

Trying to update my itunes to latest version, keep getting "itunes has invalid signature" error message, any ideas of how to remedy this?
Many thanks in advance.
Meerkat68

I've had this problem for awhile in Windows XP SP3. Last night, the simplest thing occurred to me...here's what I did (and I'm telling because it worked).
1. Clicked on Start
2. Clicked on Control Panel
3. Chose Add/Remove Programs
4. Found Apple Software Updater and clicked Remove, then responded Yes
5. Went to apple.com and clicked on Support, and then Downloads
6. Downloaded the latest version of Safari ONLY
7. Installed Safari (knowing it would install the latest version of Apple Software Update)
8. AFTER the installation was complete, I clicked again on Start, then All Programs
9. then, clicked on Apple Software Update

Too many invalid certificate errors.

I am getting a dozen invalid certificate errors launching iTunes (all sites with the domain itunes.apple.com) but also for many https sites, including my bank. I verified my date/time are set correctly. Other suggestions? Please help.

This could be a complicated problem to solve, as there are several possible causes for it.
Back up all data, then take each of the following steps that you haven't already taken. Stop when the problem is resolved.
Step 1
From the menu bar, select
 ▹ System Preferences... ▹ Date & Time
Select the Time Zone tab in the preference pane that opens and check that the time zone matches your location. Then select the Date & Time tab. Check that the data and time shown (including the year) are correct, and correct them if not.
Check the box marked
Set date and time automatically
if it's not already checked, and select one of the Apple time servers from the menu next to it.
Step 2
Triple-click anywhere in the line below on this page to select it:
/System/Library/Keychains/SystemCACertificates.keychain
Right-click or control-click the highlighted line and select
Services ▹ Show Info
from the contextual menu.* An Info dialog should open. The dialog should show "You can only read" in the Sharing & Permissions section.
Repeat with this line:
/System/Library/Keychains/SystemRootCertificates.keychain
If instead of the Info dialog, you get a message that either file can't be found, reinstall OS X.
*If you don't see the contextual menu item, copy the selected text to the Clipboard (command-C). Open a TextEdit window and paste into it (command-V). Select the line you just pasted and continue as above.
Step 3
Launch the Keychain Access application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Keychain Access in the icon grid.
In the upper left corner of the window, you should see a list headed Keychains. If not, click the button in the lower left corner that looks like a triangle inside a square.
In the Keychains list, there should be items named System and System Roots. If not, select
File ▹ Add Keychain
from the menu bar and add the following items:
/Library/Keychains/System.keychain
/System/Library/Keychains/SystemRootCertificates.keychain
From the Category list in the lower left corner of the window, select Certificates. Look carefully at the list of certificates in the right side of the window. If any of them has a a blue-and-white plus sign or a red "X" in the icon, double-click it. An inspection window will open. Click the disclosure triangle labeled Trust to disclose the trust settings for the certificate. From the menu at the top, select
When using this certificate: Use System Defaults
Close the inspection window. You'll be prompted for your administrator password to update the settings. Revert all the certificates with non-default trust settings. Never again change any of those settings.
Step 4
Select My Certificates from the Category list. From the list of certificates shown, delete any that are marked with a red X as expired or invalid.
Export all remaining certificates, delete them from the keychain, and reimport. For instructions, select
Help ▹ Keychain Access Help
from the menu bar and search for the term "export" in the help window. Export each certificate as an individual file; don't combine them into one big file.
Step 5
From the menu bar, select
Keychain Access ▹ Preferences ▹ Certificates
There are three menus in the window. Change the selection in the top two to Best attempt, and in the bottom one to CRL.
Step 6
Triple-click anywhere in the line of text below on this page to select it:
/var/db/crls
Copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
from the menu bar and paste into the box that opens (command-V). You won't see what you pasted because a line break is included. Press return.
A folder named "crls" should open. Move all the files in that folder to the Trash. You’ll be prompted for your administrator login password.
Step 7
Reboot, empty the Trash, and test.

HT1420 Cant get itunes to open.Error message:"its on a locked Cant get itunes to

Cant get itunes to open.Error message:"its on a locked disk." What does this mean??!!

ok heres what u gotta do
yes i know its alot of steps but if you do them right it will work.
1.remove all active versions of itunes
2.then restart as it asks you to do, if it doesnt ask do it your self
3.unplug ipod
4.remove ipod software
5. restart
6.install the cd the ipod came w/
7.when it asks you if you want to upgrade itunes say yes
8.download the file
9.intall the newest version
10.restart
if you have done exactly these steps(exactly in this order)then itunes should be working now

TS1424 I can't open iTunes. Get error message "the file iTunes library.itl cannot be opened because it was created by a newer version of iTunes"

I cannot open itunes. Getting error message: "the file iTunes library.itl cannot be read because it was created by a newer version of iTunes"
What do I need to do so I dont lose all my loaded music, etc.?
Thanks

If you still have an issue you may have to see about using the iTunes version (application) included with Snow Leopard 10.6 from the installer or an another one if available online, and see if that will install.
Sometimes you may have uninstall the bits left in your system by the earlier (or later) iTunes installers; as they all leave a trace and these can stop a different version of iTunes from being installed.
Not sure if the following site/link will tell the method...
•Apple - Support - iTunes - install & update:
http://www.apple.com/support/itunes/install/
•Troubleshooting iTunes installation on Mac OS X:
http://support.apple.com/kb/HT2311
Good luck & happy computing!
ps: i see you resolved this issue. it's magic!

Can't download iTunes - get an error message asking me to verify that I have privileges that allow me to start the service.

can't download iTunes - get an error message asking me to verify that I have privileges to start the system services

See this Discussion...
https://discussions.apple.com/message/24761363#24761363

I can't open my Itunes keep receiving error message- The iTunes Library.itl file cannot be found or created. The default location for this file is in the "i Tunes" folder in the "Music" folder

I can't open my Itunes keep receiving error message- The iTunes Library.itl file cannot be found or created. The default location for this file is in the "i Tunes" folder in the "Music" folder. I have even tried removing and reinstalling iTunes and it still does work because I continue to receive this error message. Please Help!

Anyone can help to advice how to solve this issue ?

I am getting a certificate error message and there is no link on the page to add this site as an exception.

I am trying to open up the web page where we log into our employee email. Evidently the security certificate has been changed. I am getting a certificate error message, but I am not seeing a link provided where I can click to add this web site as an exception.

This is a user to user forum. You are defintely in wrong place.

ITunes displays -48 error message when syncing iPod Nano on Windows XP

My girlfriend's mom's iPod Nano ran out of charge while jogging so she decided to charge it on her daughter's iHome. The next day she went to use her iPod but it was totally empty of all music and files. When she tried to sync it to iTunes, she received an eror message stating, "An unknown error has occurred (-48)" from iTunes and a Windows message stating that some iPod folder/file was corrupted.
If anyone receives such a message, I was able to correct it by:
-Plugging in your iPod to your PC
-Ignore the error messages
-Go to My Computer
-Find your iPod's drive letter (ie. G:)
-Right-click on it and select Properties
-Go to Tools Tab >Error-checking and select Check Now
You should be able to sync your iPod as before. I do not claim to be an expert so be warned that it may not work for you. Good luck!

Hey ermides,
Thanks for the question. The following resource provides information if you are receiving a -50 error message when syncing:
iTunes displays -50 error message when syncing iPod on Windows XP - Apple Support
http://support.apple.com/en-us/ts1539
Thanks,
Matt M.

ITunes displays -50 error message when syncing iPod on windows 7

I am trying to sync my ipod and appears this error
iTunes displays -50 error message when syncing iPod

Hey ermides,
Thanks for the question. The following resource provides information if you are receiving a -50 error message when syncing:
iTunes displays -50 error message when syncing iPod on Windows XP - Apple Support
http://support.apple.com/en-us/ts1539
Thanks,
Matt M.

I am trying to remove the older version of iTunes but an error message appears saying that it cannot find the path to 'iTunes64.msi", and I tried the search option to find it on my computer but no such luck. Please help me

I am trying to remove the older version of iTunes but an error message appears saying that it cannot find the path to 'iTunes64.msi", and I tried the search option to find it on my computer but no such luck. Please help me

Go to Microsoft website to fix install and Unistall problems. Click "Run now" from Fix it to remove all iTunes & related installer files:
http://support.microsoft.com/mats/Program_Install_and_Uninstall
Be aware that Windows Installer CleanUp Utility will not remove the actual program from your computer. However, it will remove the installation files so that you can start the installation, upgrade, or uninstall over.

HT1925 Can't update iTunes because of error message "iTunes.msi is not a valid installation package for the produce iTunes". How can I fix this?

I can't update iTunes because of error message "iTunes.msi is not a valid installation package for the product iTunes". How can this be resolved. I am using a PC with Windows XP

If you can, uninstall and reinstall itunes..... Removing and Reinstalling iTunes, QuickTime, and other software components for Windows XP
Hope this helps.

Itunes "invalid certificate" error message

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