Illustrator files cannot be opened: Could not read the file because an error has occurred.

I cannot open some files from Illustrator which contain PNG files placed. When I try to open the file, I get a message saying: "this png contains addtional data for Adobe fireworks, which will be discarded upon save." When I press "ok" I get the same screen again. When I press "cancel" I get: "coulld not read the file because an error has occured". I am currently working on a Mac Mavericks. Using Illustrator cc and Fireworks CS6.

Eliana,
If you have some file corruption, one thing often tried first is to create a new document and File>Place the (PDF contents, if any of the) corrupted one to see how much may be rescued that way.
Here are some websites where you can see whether it can rescue the actual file, and if it can, you may pay for a subscription to have it done,
http://www.recoverytoolbox.com/buy_illustrator.html
http://markzware.com/adobe-software/fix-illustrator-file-unknown-error-occurred-pdf2dtp-fi le-recovery/
http://www.illustrator.fixtoolbox.com/
As far as I remember, the first one is for Win and the second one is for Mac, while the third one should be for both.
Here are a few pages about struggling with it yourself:
http://daxxter.wordpress.com/2009/04/16/how-to-recover-a-corrupted-illustrator-ai-file/
http://helpx.adobe.com/illustrator/kb/troubleshoot-damaged-illustrator-files.html
http://kb2.adobe.com/cps/500/cpsid_50032.html
http://kb2.adobe.com/cps/500/cpsid_50031.html
http://helpx.adobe.com/illustrator/kb/enable-content-recovery-mode-illustrator.html

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"could not read the file because the plug-in could not understand the file."

"could not read the file because the plug-in could not understand the file."
I keep getting this error when trying to open some of my illustrator files. Usually after trying 5 or 6 time it will mysteriously open without a problem. I've reinstalled Illustrator and that didn't work. I've uninstalled and reinstalled CS3 and that didn't work.
Why does it sometimes open and sometimes not???
I've lost I don't know how many hours screwing around with this and REALLY pissing me off!!!
AURGH!

I think this has something to do with the PNG plugin.

ITunes could not restore the iphone because an error occurred -1

Hello,
After upgrade an iPhone 4 to os 5.1, I can't restore the backup : while restore I get the error iTunes could not restore the iphone because an error occurred -1. I tried to reset the iPhone, but it restores alwayds whit os 5 and not 4. Each time I connect the iPhone, il runs un recovery mode, but recovery fails with error -1.
Any help ?
Thx

Hi i had faced the similar issue but i could resolve easily. I followed the following steps:
1. Restarted my laptop.
2. Restarted my iphone
Re-connected my iphone to laptop, opened iTunes and iTunes automatically asked for "Restore from Backup".
I selected the option and it worked.
You can also refer to following urls:
1. http://support.apple.com/kb/ts2529
2. Check for Resolution step and click the line "how to restart your ios device"
Hope it helps.

The iPhone "iPhone" could not be restored. An unknown error has occured (3). How do I fix this?

I had a problem with my iPhone 5 connecting to my service provider (verizon) and also to the internet just minutes after I had used the internet to browse before work this morning. I tried soft reset, hard reset, and connecting to my computer, but nothing worked to get it back to normal. I decided to do a system wipe and restore it as well, but I get that error: "The iPhone "iPhone" could not be restored. An unknown error has occured (3)." I googled that and searched for literally 7 hours without any luck. Any and all help is appreciated. Thanks!

This has just happened to me today. I have an iphone 5 on Verizon. I was using the internet on the device normally when it started. It couldn't access any online data even though it had 4 bars of service and LTE. I restarted it and it would be stuck "Searching for network". I tried wiping the phone with no luck. It gets stuck at around 99% of the firmware restore process and hangs there for about 25 minutes before itunes gives me the error described above. I tried the recover-mode restore with the same results.
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The iPod " " could not be updated. An unknown error has occurred (1417).

This is what saved my day... I copied this from a longer reply.
"Try this: I got error 1417. The iPod "Dan's iPod" could not be updated. An unknown error has occurred (1417).
1)Plug in your iPod and wait for iTunes to tell you an update for it is available
2)Click the Install button on that dialog and keep an eye on your iPod
3)When your iPod screen switches from the flashing "Do Not Disconnect" message to the Main Menu screen, unplug the iPod, wait a couple SECONDS, plug the iPod back in
4)You should notice some slow-down in the progress meter and a new dialog box should come up and tell you your iPod is being updated and to not disconnect it until the update finishes
5)That's it. Wait for the update to finish and iTunes will re-recognize it and show its new up-to-date status."
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Does this article contain anything useful?
(31939)

I am trying to download an app on my iphone and when it asks me to sign in to my account i get a message "Could not sign in. An unknown error has occurred." Do any of you know what is wrong?

I am trying to download an app from Itunes on my Iphone and i keep getting a message saying " Could not sign in. An Unknown error has occurred." Does anyone know why i'm getting this message? I have had the same password for years so that is not why...

The RC helicopter's directions say its available in the App store for Apple and here it is in the iTunes store:
https://itunes.apple.com/us/app/icess/id558793179?mt=8 (released on 6/19/2013)
How do I get this to show up on my iPad and/or iPod touch app stores so I can then download and install it as needed?

I am trying to download an app and keep getting this error message: "Could not sign in. An unknown error has occurred" keeps popping up.

This is a question for a mini iPad...
I am trying to download an app and keep getting this error message: "Could not sign in. An unknown error has occurred. I have tried shutting down and restarting. I've tried changing the password. I get the error message with free and not free apps. Any suggestions on how to fix?

Reports are that this is a problem with the iTunes Store that they're working on. Some people have had success after signing out of their account and back in. If that doesn't work for you, wait a few hours or perhaps until tomorrow and by then they may have the problem sorted out.
Regards.

The iPod "iPod" could not be restored. An unknown error has occurred (11).

I recieved an iPod from a friend of mine. He has bought a new one and is currently using it with his apple ID. I have plugged in the iPod he gave me and attempted to restore it. When it goes through most of the restoration process the error "The iPod "iPod" could not be restored. An unknown error has occurred (11)." pops up. The iPod is also stuck on a screen with a USB cord pointing twords the iTunes icon, i shut it off then turn back on and this image is still on the screen. The iPod also does not appear in MyComputer. It does appear in iTunes but it only has the name, no serial number, capacity, or software version. I also re-installed iTunes. I am using windows 7 on my Toshiba Satellite A665 laptop.
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Thank you.

Hi,
See these Links for Device not Recognised and Restoring:
For Mac
http://support.apple.com/kb/ts1591
For PC
http://support.apple.com/kb/TS1538
As it is now Your Device and Not your friends... Restore as New...
Cheers,

IPhone "could not be updated. An unknown error has occurred. (3194)"

So I have a Verizon iPhone 4 running iOS 4.2.7 iTunes has dowloaded 4.2.8, but when I tell it to update the iPhone, it starts and then tells me the iPhone "could not be updated. An unknown error has occurred. (3194)" Any thoughts? Thanks. Same thing happens with my iPad 3G, btw.

Here is an article about this issue: Update and restore alert messages on iPhone, iPad, and iPod touch
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Could not backup the iphone because an error occurred

hi all going crazy spent hours upon hours trying to find the solution:
iphone 4s can sync etc but cannot back up says the following when trying to back:
"could not backup the iphone because an error occurred"
now ive tried deleteing previous backup, still didnt work, no i have no backup.
tried uninstalling reinstall drivers n itunes, still didnt work.
tried on another computer still didnt back up.
i tried deleting the backup folder, still didnt work.
i have pretty much tried everything unless there is a special tweak or program that i can use.
please help very desperate.
thanks./

I don't know the solution as to why you can't back up to iTunes, but another option you can try is to backup to iclouds http://support.apple.com/kb/HT1766

I get " itunes could not backup the iphone because an error occured

I get " itunes could not backup the iphone because an error occured

Hello there, pasqualefromdanville.
When receiving the messages that iTunes could not backup the iPhone because an error occurred, the Knowledge Base article offers up some great, in-depth troubleshooting for resolving the issue:
iOS: If you can't back up or restore from a backup in iTunes - Apple Support
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

TS3683 I have not been able to successfully back up my iPad to my MAC computer since 07/21/2013. I keep getting the error message "iTunes could not back up iPad "" because an error have occurred." Any suggestions on what I can do to resolve this error?

I have not been able to successfully back up my iPad to my MAC computer since 07/21/2013. I keep getting the error message "iTunes could not back up iPad "" because an error have occurred." Any suggestions on what I can do to resolve this error?

Hi there BuffaloSailor!
I have an article here with some troubleshooting suggestions for this issue:
iOS: Troubleshooting backup issues in iTunes
http://support.apple.com/kb/ts2529
Take care, and thanks for visiting the Apple Support Communities.
-Braden

IPad "could not be updated. An unknown error has occurred. (3194)"

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So:
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TS2529 iTunes could not backup the iphone because an error occurred

I have iphone 4S 64GB. When I tried to backup today I get the message : "Itunes could not backup the iphone because an error occurred". I have tried with restoring my iphone and received the same error message. I am using iTunes 11.0.4.4 and my iphone has IOS 6.1.3. I also tried to backup my iPhone (right click on your iPhone under devices and click Back Up) but w/o any success. Can anybody help please.

Unfortunately the problem continues. I deleted the backup in the way described, but could not create a new one as the same message appears.
There is no any error code.
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Thanks

"could not backup the iphone because an error occured." how can I fix this?

My iphone will not backup to my computer, when I try it says "could not backup the iphone because an error occured. how can I fix this?

Hello there Justin,
I found a nice lil gem about troubleshooting backup issues with iTunes from an iOS device. Named iOS: Troubleshooting backup issues in iTunes it can be found here http://support.apple.com/kb/ts2529.
Here is a general over view of what the troubleshooting will entail. Each section has instructions in the article.
Simply restarting the computer and the iOS device may resolve a backup issue. After restarting, attempt to restore again. Learn how to restart your iOS device.
To perform the rest of steps in this article, you need to be logged in to the computer as an administrator. If you're not sure if you have administrator access, contact the owner of the computer or the system administrator.
Collapse All Sections | Expand All Sections
1. Back up your backup
2. Update to the latest software
3. Disconnect other USB devices
4. (Windows only): Check for Layered Service Providers (LSPs)
5. Check security settings
6. Back up using a new user account
7. Reset the Lockdown folder
8. Windows only: Update your USB chipset drivers
9. Back up on a different computer
All the very best,
Sterling

Illustrator files cannot be opened: Could not read the file because an error has occurred.

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