I am being told that "Back to Mac" isn't working because NAT Port Mapping is turned off on my router. What does that mean and how do I fix it?

AirPort Utility is in your Utilities folder:

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I have downloaded music to my phone through my Apple ID and it has this message that reads you can download purchases on this device with one Apple ID account every ninety days, what does this mean and how do I fix it?

I have downloaded music to my phone through my Apple ID and it has this message that reads you can download purchases on this device with one Apple ID account every ninety days, what does this mean and how do I fix it?

Well, it doesn't mean that at all. You can download music purchased with an Apple ID to up to 10 devices. There is no 90 day wait. The wait is if you change the Apple ID.

What does this mean and how do I fix it? Error ITMS-9000 "Invalid Code Signing The executable ´viwer.app/ viewer´ must be signed with the certificate that is contained in the provisioning profile"

What does this mean and how do I fix it? Error ITMS-9000 "Invalid Code Signing The executable ´viwer.app/ viewer´ must be signed with the certificate that is contained in the provisioning profile"

If you had Firefox save your Yahoo password, first try deleting that here:
orange Firefox button ''or'' classic Tools menu > Options > Security > "Saved Passwords"
The "signed out" message seems to be related to how Yahoo authenticates you. Some users have reported that disabling automatic proxy detection solves the problem, and it also resolves an issue of getting logged out every few minutes, if you have ever experienced that.
To make the change:
orange Firefox button ''or'' classic Tools menu > Options > Advanced
On the "Network" mini-tab, click the "Settings" button, then choose "No Proxy" and OK your way back out.
If your work connection requires you to use a proxy server, try the "Use system settings" option instead.
Does that help?

I keep getting message "This page requires a plugin that can only run in 32 bit mode" what does this mean and how can I fix it?

I keep getting message "This page requires a plugin that can only run in 32 bit mode" what does this mean and how can I fix it? It seems to come up randomly, but I'm fairly ignorant.

Previous versions of Firefox were only 32 bit, Firefox 4 for the Mac contains 32 and 64 bit versions. If you want to always start Firefox in 32 bit mode, open up Finder and go to the Applications folder. Control-click the Firefox app and click "Get Info", then select the "Open in 32-bit mode" option.

What does this mean and how do i fix it: "service 'apple mobile device' failed to start. verify that you have sufficient privileges to start system."

What does this mean and how do i fix this so my ipod works again on my computer and itunes: "Service 'apple mobile device' failed to start. Verify that you have sufficient privileges to start system services." I tried "retry", i tried "abort" and started over. I keep getting stuck in the same place.

Hello DEstadt,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
iTunes 11.1.4 for Windows: Unable to install or open
http://support.apple.com/kb/TS5376
Check for .dll files
Go to C:\Program Files (x86)\iTunes and C:\Program Files\iTunes and look for .dll files.
If you find QTMovie.DLL, or any other .dll files, move them to the desktop.
Reboot your computer.
Note: Depending on your operating system, you may only have one of the listed paths.
Uninstall and reinstall iTunes
Uninstall iTunes and all of its related components.
Reboot your computer. If you can't uninstall a piece of Apple software, try using the Microsoft Program Install and Uninstall Utility.
Re-download and reinstall iTunes 11.1.4.
Best of luck,
Mario

I am trying to update itunes to 11.1.1.11 and i keep getting 'erreo writing to file : C\ : Config.Ms\301ded48.rfb.Verify that you have access to that directory'. What does this mean and how can i fix it?

I am trying to update itunes to 11.1.1.11 and keep getting message at the end ' error writing to file :c:\Config.Msi\301ded48.rbf.Verify that you have access to that directory'. What does this mean and how do I fix it?

I had this exact same problem just now, trying to upgrade to 10.7.
I even got that error msg when trying to UNINSTALL iTunes!
After hours of frustration trying everyone's different suggestions, I downloaded Revo Uninstaller http://www.cnet.com.au/apps/revo-uninstaller-10610875/ which solved the problem.
Use it to help uninstall iTunes and related software components in the following order and then restart your computer:
1. iTunes
2. QuickTime
3. Apple Software Update
4. Apple Mobile Device Support
5. Bonjour
6. Apple Application Support (iTunes 9 or later)
Then you can install iTunes from scratch.
Good luck

When I open iTunes I get a message that all the files in my library are "unchecked." What does this mean and how do I fix it?

When I open iTunes, I get a message that the files in my library are "unchecked." What does this mean and how do I fix it?

Windows - Ctrl-clicking a checkbox causes all tracks in the current display to become checked or unchecked.
Additional suggestions in connection with syncing - https://discussions.apple.com/message/19096229

I recently downloaded IOS7 and then iTunes informed me that I had to update to itunes 11.1. So I updated it and it said it couldn't be done, and I had to do so manually. What does this mean and how can I fix it?

I recently downloaded IOS7 and then iTunes informed me that I had to update to itunes 11.1. So I updated it and it said it couldn't be done, and I had to do so manually. What does this mean and how can I fix it?

Soph5 wrote:
Windows xp on a toshiba computer
Thank you...
Try here > iTunes free download from www.itunes.com/download
Also... See here > http://www.apple.com/support/itunes/install/

When I plug my ipod touch into the pc, it tells me:the ipod cannot be used because the apple mobile device service is not started. What does this mean and how do I get rid of that and enable syncing?

When I plug my ipod touch into the pc, it tells me:the ipod cannot be used because the apple mobile device service is not started. What does this mean and how do I get rid of that and enable syncing?

Hello Julia,
Start with this article.
http://support.apple.com/kb/ts1567
B-rock

I downloaded the latest itunes and i recieved a message that the apple mobile device failed to start. It asks me to verify that I have sufficient privileges to start system services. What does this mean and how do I fix this so computer will sync iphone

i downloaded the latest itunes and i recieved a message that the apple mobile device failed to start. It asks me to verify that I have sufficient privileges to start system services. What does this mean and how do I fix this so computer will sync iphone?

You need to follow the instructions of tt2 in https://discussions.apple.com/thread/5822086 to straighten it out.

HT204406 I downloaded a song that is not playing. When i click to report a problem it gives me an error that says "To many HTTP redirects". What does this mean and how do I fix it? Thank you!

I downloaded a song that is not playing. When i click to report a problem it gives me an error that says "To many HTTP redirects". What does this mean and how do I fix it? Thank you!

The following support articles should help:
* https://support.mozilla.com/kb/Could+not+initialize+the+browser+security+component
* https://support.mozilla.com/kb/AUS+Update+XML+File+Malformed+200

When I try to set up my time capsule it says that the PPPoE Server is not found... What does this mean and how do I fix it? Thanks !

When I try to set up my time capsule it says that the PPPoE Server is not found... What does this mean and how do I fix it? Thanks !

You are using PPPoE but there is no server to authenticate against.. or the modem is already connected and nothing else can join.
Is this ADSL?
Do you have the modem in bridge?
How does it work with the modem working as router? ie what type of connection does your ISP supply.. eg PPPoE is only one.. PPPoA is another.. IPoA or ETHoA.. and sever other more specialised.. PPPoE can only work where it is supported.

Says my computer is no longer protected and that I need to update, but says that my computer is no longer compatable, what does this mean and how do I fix it?

A warning pops up and says that Firefox is no longer protected, and that I need to upgrade. But then, I'm told that the upgrades are not compatible with my computer. What does this mean, and how to I get the updates?
Thanks

http://www.mozilla.org/en-US/firefox/8.0/system-requirements/
Firefox 3.6.x is the last available from Mozilla for MacOSX 10.4. <br />
http://www.mozilla.com/en-US/firefox/all-older.html

I plugged my iPod touch (4th generation) into my computer and when iTunes popped up, there was a notice that read "The iPod cannot be used because the Apple Mobile Device service is not started". What does this mean and what do I do?

I plugged my 4th generation iPod touch into my computer and when iTunes popped up, there was a notice that read, "The iPod cannot be used because the Apple Mobile Device is not started". What does this mean and what do I do?

Type "Apple Mobile Device Service" into the search bar at the top of the page by Support and read the help article.

My iphone4 will turn off at 47% battery and when i attempt to turn it back on it says dead, until it is placed in the charger and it says 47% again, what does this mean and how can i fix it?

Hey I just got an iphone 4 and everytime it gets to around 47% battery it dies, when I try to turn it on it says the battery is dead, when i place it in the charger it says 47% then continues to charge, could this be over heating or a bug? What is it and how do I fix it?

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers
    Make sure that Mute is not enabled.
2. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
3. Reset PRAM. http://support.apple.com/kb/PH4405
4. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
5. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so, uncheck it.
6. System Preferences > Sound> Sound Effects
    Play sound effects through:
   Select "Internal speakers" and then back to "Selected sound output device".

I am being told that "Back to Mac" isn't working because NAT Port Mapping is turned off on my router. What does that mean and how do I fix it?

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