TS3694 iPod Touch and error "21"

I have tried to restore my son's iPod touch twice and get error message "21". I have updated the iPod and have restarted the computer. The iPod was purchased in Nov 2011 and is a 32 GB iPod Touch. All I get now is the screen with an image of a USB port and arrow icon conecting to itunes. What should I do?
any coments and advice would be gratefully received. My son wants his iPod back .
Julia Park

Error 20, 21, 23, 26, 28, 29, 34, 36, 37, 40
These errors typically occur when security software interferes with the restore and update process. FollowTroubleshooting security software issues to resolve this issue. In rare cases, these errors may be a hardware issue. If the errors persist on another computer, the device may need service.
The "device may need service" means a hardware problem. In that case make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar

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TS3694 iPod touch gets error -1303 when attempting to restore after update (W7)

iPod touch gets error -1303 when attempting to restore after update (W7). This error is not shown anywhere in the specific list. Have done all recommended recovery methods (reboot, update iTunes, restart iPod) to no avail. What is next?

Usually the 1303 error is in regards to a corrupted or missing backup of your iPod Touch. Try removing or moving the backups to another location and then try to restore your iPod once again.
See this article for information on where backups are stored.
iTunes: About iOS backups
B-rock

I tried synching my 2nd generation ipod touch and it told me to update the software. Then it said "error 37" and could not complete updating but it has left me with an ipod that is not recognised by my pc and wont turn on or anything- just black

I tried synching my 2nd generation ipod touch and it told me to update the software. Then it said "error 37" and could not complete updating but it has left me with an ipod that is not recognised by my pc and wont turn on or anything- just black

Error 20, 21, 34, 37: These errors typically occur when security software interferes with the restore and update process. If you are using a PC, follow this article to resolve this issue.
Above from:
http://support.apple.com/kb/TS3694
You also may have to place the iPod in recovery mode. For how see:
iPhone and iPod touch: Unable to update or restore

Hi I recently dropped my ipod touch and now it wont connect to itunes. Everytime i plug it in, i get an error message saying that the usb device is not recognized

hi I recently dropped my ipod touch and now it wont connect to itunes. Everytime i plug it in, i get an error message saying that the usb device is not recognized

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

My Reminders app will not open. When I try to open it, quits and gives me an error message: "Reminders quit unexpectedly while using the CalDAV plug-in." My Reminders is synced with my iPod touch, and it is fine on that. How do I fix it?

My Reminders app will not open. When I try to open it, it quits and gives me an error message: "Reminders quit unexpectedly while using the CalDAV plug-in." My Reminders is synced with my iPod touch, and it is fine on that. How do I fix it?
Also, the Calendar is loading very very slowly, and sometimes it quits and gives me the same error message as above.

The problem has been fixed with the most recent OS X software update.

I have itunes set up to sync with my Ipod Touch and my Ipad. As of today, it keeps looking for an iPhone to sync with and give me an error message. I don't have an iPhone and don't know how to stop it from popping open with this error message.

I have Itunes set up to sync with my Ipod touch and Ipad. As of today, iTunes has started searching to sync with an iPhone, which I don't have and pops open with an error message stating it cannot locate the iPhone to sync. I have looked in devices and only the iPad and iPod Touch are listed. Any ideas on how to stop iTunes from searching for any iPhone it is never going to find? It is annoying to have it popping up all the time with the error message. Thanks in advance for any suggestions.

You should really read the manual.
"How do you restore from backup? "
Restore. When given the choice, choose to use backup.
"And how can I check to see if the pics and videos are on my computer somewhere first??"
They would only be where you put them. What program did you use to import them? Pics/vids taken with ipod are not part of the sync process at all. You should be importing them just as you would with any digital camera.
If you did not import them, then they are not on your computer.

TS1814 I had to restore my Ipod Touch and now I can't connect to anything on it. When it asks for my Apple ID it comes up with an error message and says that it can't connect to the server. I have checked my WiFi connection and its connected.

I have had to restore my Ipod Touch and now I can't connect to anything on it. When it asks for my Apple ID it comes up with an error message and says that it can't connect to the server. I have checked my WiFi connection and its connected.

Hi there,
I would recommend taking a look at the troubleshooting steps found in the article below.
Can't connect to the iTunes Store
http://support.apple.com/kb/ts1368
-Griff W.

An unknown error occurred -54 in itunes this happened after i'd bought new iPod touch and synced it to my iTunes can you not have two iPods on iTunes account??

Please help i bought a new ipod touch and synced it to my itunes account so i had both ipod touch's on it and now i have an error flashing at me and i don't know what to do??

== Error -54 ==
From an OS9 reference, error -54 is a software lock on a file or a permissions error. (Some of the old codes still apply to OSX although there is no formal list of OSX error codes.)
First, try simply restarting your computer.
iTunes Library cannot be saved (Error -54) - https://discussions.apple.com/thread/1912814
Unknown error (-54) while syncing ipod - https://discussions.apple.com/thread/1082953 - problem was locked files
Why does iTunes keep showing a -54 error when I sync my iPad? - https://discussions.apple.com/thread/3727114
Error -54 possibly related to Touch Copy - https://discussions.apple.com/thread/3727114 - cleared by deleting preferences on iPad.

TS2771 I'm trying to update my ipod touch and it gives me an unknown error. -1, i tried to reset.

I'm trying to update my ipod touch and it gives me an unknown error. -1, i tried to reset. Someone told me there is a reset option on the status screen on itunes, couldn't find that. so i just held to 2 buttons until apple showed up.

Errors when updating leads to corrupt system files and this may be your problem. If you're using windows, connect your device to PC and run any third party app like Syncios. If it detects, you maybe in luck and try to back-up your data if possible. I hope that it won't and if doesn't, there is no other way to recover files. You should be restoring with iTunes and all data will be erased, or else your device may become unusable.

My iPod doesn't work. The screen is black but it has a ticking circle in the middle. Its been stuck like that for more than an hour. My iTunes doesnt recognize the iPod Touch and says 'iTunes could nit connect to this iPhone-unknown error

Its been stuck like that for more than an hour. My iTunes doesnt recognize the iPod Touch and says 'iTunes could nit connect to this iPhone-unknown error

I'm soooo sorry to bump this but MAYBE someone will know what to do?! I've just tried EVERYTHING. I need help. Please, anyone?!
*last chance and I'm backing away sloooowly*
thanks to ANYONE who will suggest ANYTHING at all!!!

I have two ipod touches and two ipad2s. One of my ipod touches and ipad2s keep popping up an unkown error 0xE800000A when I try to connect it to intunes. What to do? I have already uninstalled and reinstalled itunes and updated the ipod touch on diff comp

One of my ipod touches and ipad2 will not connect ti itunes. Unknown error keeps popping up 0xE800000A. I have uninstalled and reinstalled itunes. I have restored to original settings but it will not appear on my computer, but will other computer. What to do?

Thanks for the help Ricky.
I did put my iPod into DFU and iTunes recognized it in restore mode. After restore I am back where I was before - iTunes cannot connect because of an unknown error.
I have installed Jailbreak to see if I can bypass itunes but haven't succeeded. I can't get my computer to recopgnize the iPod as a device.
I'll take it to a Genius bar next time I am in the area of one. Until then I'll probably continue to try hacks to get it connected.
Dan

I'm running iTunes 10.5 on my Macbook Pro and software 4.1 on my 2g iPod touch and having problems getting photo's to sync. Same error iPod can't be synced req'd file can't be found. Tried deleting the photo cache, restoring the iPod etc but to no avail.

I'm running iTunes 10.5 on my Macbook Pro and software 4.1 on my 2g iPod touch and having problems getting photo's to sync. Same error, "iPod can't be synced req'd file can't be found". Tried deleting the photo cache, restoring the iPod etc but to no avail.

Try here:
iTunes: Unable to sync photos
Usually deleting the iPod Photo Cache Folder works. Note that if you sync via the folder method, make sure you dlete all the ifolders since :
The iPod Photo Cache stores the photos that are optimized for display on your iPod, iPad, or iPhone. The location of this folder depends on the syncing options you select. In iTunes, if you change the selection in the “Sync Photos From” pop-up menu, a new iPod Photo Cache folder will be created (and the previous folder will remain).

I am trying to update my iPOD Touch and receiving an unknown error 11

I am trying to update my iPOD Touch and receiving an unknown error 11

Placing the iPod in recovery mode and restoring the iPod worked in the past:
https://discussions.apple.com/message/12696831?messageID=12696831
For recovery mode see:
iPhone and iPod touch: Unable to update or restore

When trying to do a recover and update an old iPod touch, "unknown error" occurs and nothing happens. I have followed all the trouble shooting suggestions but nothing works. Ideas?

When trying to do a recover and update an old iPod touch, "unknown error" occurs and nothing happens. I have followed all the trouble shooting suggestions but nothing works. Ideas?

Hi msclaude,
Welcome to the Support Communities! I'm not sure from your post what steps you have tried, but it sounds like you may need to use recovery mode to address the issue with your unresponsive iPod touch.
If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support
http://support.apple.com/en-us/HT201263
If you can't update or restore your iPhone, iPad, or iPod touch
You can put your iOS device into recovery mode, then restore it using iTunes.
Use recovery mode
You might need to use recovery mode to restore your device in these cases:
iTunes doesn't recognize your device or says it's in recovery mode.
You see the Apple logo onscreen for several minutes with no progress bar.
You see the Connect to iTunes screen.
Learn what to do if you see the progress bar onscreen for several minutes.
To put your device into recovery mode, follow these steps:
Turn off your device and leave it off.
Plug in your device's USB cable to a computer with iTunes.
Hold down the Home button on your device as you connect the USB cable. Keep holding down the Home button until you see the Connect to iTunes screen.
When you see this screen, release the Home button. If you don't see this screen, try steps 1 through 3 again.
When your device is connected, iTunes will open. You'll see a message saying that iTunes has detected an iPhone, iPad, or iPod touch in recovery mode.
Use iTunes to restore your device. Restoring in recovery mode will erase your device. If you previously synced with iTunes or iCloud, you might be able to restore from your backup.Get more help
Learn what to do if you don't see your device in iTunes for OS X, or in iTunes for Windows.
If you put your device into recovery mode by mistake, restart it. Or you can wait 15 minutes and your device will exit recovery mode by itself.
I hope this information helps ....
- Judy

I have a 3rd gen ipod touch and i want to update to 4.3.3 and it says error when done downloading and i have the new itunes?

i have a 3rd gen ipod touch and i want to update to 4.3.3 and it says error when done downloading and i have the new itunes?

it says we could not complete your itunes store request an uknown error occurred (-9808)
there was an errorin the itunes store. please try again later. I plug in my ipod to update it and it says that?

TS3694 iPod Touch and error "21"

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