I was trying to move iphoto library to my external hardrive, realised it was incompatible with Mac. The iphoto will not open now, message is "Iphoto library is either in use by another application or has become unreadable". I have read other posts.

Hi,
I was trying to save a copy of my iphoto library by copying images to my external harddrive. I wasn't sure how to do it, realised the hard drive is not compatible. Now the iphoto library wont open and reads "iphoto library is either in use by another application or has become unreadable".
I have tried to use options command and click on iphoto then rebuild yet nothing happens and same error message occurs.
I have gone to my personal drive, desktop, iphoto library, and found file Albumdata.xml and when i click on it, there is a lot of text in it, i am assuming these are all my photos.
I have tried clicking and dragging this file to iphoto app and it doesn't work, as the same error comes up in iphoto being in use or unreadable....
What am I meant to do with albumdata.xml file and how do I reopen Iphoto from here on in?
Please help as I am not technically minded and still trying to understand how to use the Macbook at all as I am used to Microsoft.
Thank you very much,
KS

Rule Number One - NEVER go directly uinto the iPhoto library - there are no user servicable parts in it and making any change no matter how small can corrupt your library and cause data or photo loss
Exactly how were you trying to save a copy of your iPhoto library?
Albumdata.xml does not contain your photos - and again NEVER make any changes to the content of the iPhoto library - no dragging - no changes - never go into the library
We need to know exactly what you did
And probalby the easiest solution is to load your backup from before you messed things up
For reference after you get things working
Moving the iPhoto library is safe and simple - quit iPhoto and drag the iPhoto library intact as a single entity to the external drive - depress the option key and launch iPhoto using the "select library" option to point to the new location on the external drive - fully test it and then trash the old library on the internal drive (test one more time prior to emptying the trash)
And be sure that the External drive is formatted Mac OS extended (journaled) (iPhoto does not work with drives with other formats) and that it is always available prior to launching iPhoto
And backup soon and often - having your iPhoto library on an external drive is not a backup and if you are using Time Machine you need to check and be sure that TM is backing up your external drive
LN

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When I open iPhoto this appears- "Your photo library is either in use by another application or has become unreadable" I have not used iPhoto before on this computer. I downloaded iPhoto Library Manager as suggested but nothing happened. What should I do?

When I open iPhoto this appears- "Your photo library is either in use by another application or has become unreadable" I have not used iPhoto before on this computer. I downloaded iPhoto Library Manager as suggested but nothing happened. What should I do?

I think the usual advice is to use the Rebuild command in Library Manager.
Regards
TD

I have my iPhoto set to an external drive yesterday when it was in use the usb disconnected i now have a message saying (your photo library is either in use by another application or has become unreadable) I have tried shutting down and restarting.

I have my iPhoto set to an external drive, when it was in use the usb disconected as i was moving my mac air, when i re-conected a message said (your photo library is either in use by another application or has become unreadable).
I have tried shutting it down and then re opening iPhoto but get the same message.
The reason for the external drive was there was not enough room on my hard drive, I have around 7000 photos on it.
is there a simple fix?
Regards
Dale

These are your options:
1. Restore the iPhoto library from the most recent backup that predates the issue.
          Advantages: Always works, if library damage is causing the problem and the backup is intact.
          Disadvantages: Impossible if you don't have a backup. All changes made since the backup are lost.
2. Repair or rebuild the library. Be sure to back it up first.
          Advantages: May solve the problem with no loss of data.
          Disadvantages: May fail. May take a long time if the library is large.
3. Scavenge the library with a third-party application called "iPhoto Library Manager," which you can find in a web search. From the application's menu bar (not the iPhoto menu bar), select Library ▹ Rebuild.
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When I open iphoto I get an error message that says Your photo library is either in use by another application or has become unreadable,

when I open iphoto I get an error message that says Your photo library is either in use by another application or has become unreadable, I have tried restarting computer and opening iphoto whilst holding down option and command key, but then I get the following message-Your photo library is damaged or unreadable and cannot be opened. Please restore from a backup. Please can anyone help?

Make a back up now. If you have any vaule in Your photos always have a back up.
Most Simple Back Up
Drag the iPhoto Library from your Pictures Folder to another Disk. This will make a copy on that disk.
Slightly more complex:
Use an app that will do incremental back ups. This is a very good way to work. The first time you run the back up the app will make a complete copy of the Library. Thereafter it will update the back up with the changes you have made. That makes subsequent back ups much faster. Many of these apps also have scheduling capabilities: So set it up and it will do the back up automatically. Examples of such apps: Chronosync or DejaVu . But are many others. Search on MacUpdate
In Library Manager the Rebuild command is under the File menu. There's also an excellent Help available.
Regards
TD

When I open iphoto the following message appears 'Your photo library is either in use by another application or has become unreadable'

when I open iphoto the following message appears 'Your photo library is either in use by another application or has become unreadable'

Reboot you system, if you have not already done so - this should take care of the "in use by another application" part of the message.
If the problem persist you will need to create a new library or to repair your library, or to restore it from your backup.
If you do not yet have any images in your iPhoto Library simply move it to the Trash and hold down the option-key while launching iPhoto again. This will give you the option to create a new iPhoto Library or to pick another one, if you have other libraries.
To fix your current library, or to restore it from backup, if you already have pictures inside that you need to save, see Terence Devlin's posts here:
Re: Why do I keep getting asked to repair my iPhoto library?
Re: when I open iphoto I get an error message that says Your photo library is either in use by another application or has become unreadable,
Regards
Léonie

When I start my iPhoto it says: "Your photo library is either in use by another application or has become unreadable". I don't have a back-up of my library and I don't know what to do! Thanks

When I start my iPhoto it says: "Your photo library is either in use by another application or has become unreadable". I don't have a back-up of my library and I don't know what to do! Thanks

Try to restart your Mac. If the library is really in use by another application, that can clear it.
Tell us more about your system. Which version of iPhoto are you using? Which version of MacOS X?
Where are you storing your iPhoto Library?
What happened before this problem first started? Did iPhoto crash? Did you move the iPhoto Library somewhere else?
Try Terence Devlin's fix here: Re: IPHOTO LOCKED
Go to your Pictures Folder and find the iPhoto Library there. Right (or Control-) Click on the icon and select 'Show Package Contents'. A finder window will open with the Library exposed.
Look there for a file called ‘iPhoto’Lock.data or similar. Drag it to the Desktop. Make no other changes. Start iPhoto. Does that help?

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Are there photos in the Library? If not then just trash it and launch iphoto. It will make a new one.
If there are pics in it then Download iPhoto Library Manager and use its rebuild function. This will create a new library based on data in the albumdata.xml file. Not everything will be brought over - no slideshows, books or calendars, for instance - but it should get all your albums and keywords back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.

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When I try to open iPhoto I get a window dialog that says...
Your photo library is either in use by another application or has become unreadable
Shut down and restart your computer, and then open iPhoto again. If the problem persists, try rebuilding your photo library. To do this, quit iPhoto, and then reopen it while keeping the Option and Command keys pressed. You can also try restoring your photo library from a backup.
I have tried the reopen it while keeping the Option and Command keyes pressed.
No change.
I dee nothing but a blank page,
Any help would be appreciated.
Also hace back ups of all images on cd's. dvds and jump drives.
Any advice is appreciated.

Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database.
If that fails:
Option 2
Download iPhoto Library Manager and use its rebuild function. (In early versions of Library Manager it's the File -> Rebuild command. In later versions it's under the Library menu.)
This will create an entirely new library. It will then copy (or try to) your photos and all the associated metadata and versions to this new Library, and arrange it as close as it can to what you had in the damaged Library. It does this based on information it finds in the iPhoto sharing mechanism - but that means that things not shared won't be there, so no slideshows, books or calendars, for instance - but it should get all your events, albums and keywords, faces and places back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.
Regards
TD

Why does iPhoto give me this error when opening it " Your photo library is either in use by another application or has become unreadable"

Good Day. I have been trying to open my iPhoto and i keeps giving me the following error message " Your photo library is either in use by another application or has become unreadable " Then it suggests I push the Option and Command button at time of opening iPhoto and the 4 options given do not work as well. My operating system is OS X Vers 10.8.5. Not sure the iPhoto application as it won't open for me to tell.
Pls help . Im afraid of losing all my pics.

Make a back up now. If you have any vaule in Your photos always have a back up.
Most Simple Back Up
Drag the iPhoto Library from your Pictures Folder to another Disk. This will make a copy on that disk.
Slightly more complex:
Use an app that will do incremental back ups. This is a very good way to work. The first time you run the back up the app will make a complete copy of the Library. Thereafter it will update the back up with the changes you have made. That makes subsequent back ups much faster. Many of these apps also have scheduling capabilities: So set it up and it will do the back up automatically. Examples of such apps: Chronosync or DejaVu . But are many others. Search on MacUpdate
In Library Manager the Rebuild command is under the File menu. There's also an excellent Help available.
Regards
TD

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My iPhoto will not open. I get this message My iPhoto library is either in use by another application or has become unreadable. I have tried holing down the option & command keys when I open it and it gives me options to rebuild thumbnails and I get this message when I try to click on that and start

where is your iPhoto library located? What version of iPhoto? try the command-Option-launch and rebuild your database
LN

After a power failure while iPhoto was running, I get the message "Your photo library is either in use by another application or has become unreadable" and iPhoto will not open????

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, can I throw the app away and download a new one? or will it still not open?
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Check, if iPhoto will run, if you launch it on a new library. Hold down the alt/option key, while you launch iPhoto. Select to create a new library from the panel that will show. Can you create a new library? If yes, try again to fix the library. Which options have you tried from the Library First Aid panel, when you launched iPhoto with the option and command key held down?
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I-Photo keeps coming up with the following error -Your photo library is either in use by another application or has become unreadable.

Your photo library is either in use by another application or has become unreadable. The solution suggested is restart and hold option/command down. I have done this and the options given make sense but when I try to run any of the suggested solutions the same error comes up as above
We have back ups to Time Machine but I am concerned that these backups may be corrupt as well so before trying I wish to try and repair
Has any one come into this issue before?
Running Mac OS X (10.7.5)
Thank you

Tell us more please - so it is hard to guess.
Sometimes really another program is using your library - then a simple "restart" of the system should fix this. If iPhoto is trying to open the wrong library, you may be seeing this error message. Then try to switch to the correct library by holding down the ⌥-key while launching iPhoto.
If really something is wrong, weneed to know more:
When did this start? Have you been importing new photos? Did iPhoto crash? Have you moved your iPhoto Library to an external drive? Where is your iPhoto library located? If on an external drive, how is the drive formatted?
Also, what is your version of the iPhoto application?
Have you updated any software recently or installed new software, before the problem first occured?
Have you run any maintainance programs, that help to clean your Mac, like MacKeeper?
Regards
Léonie

Iphoto doesn t start. Message received: Your photo library is either in use by another application or has become unreadable

Iphoto doesn t work. Message received: Your photo library is either in use by another application or has become unreadable.
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Some of your user files (not system files) have incorrect permissions or are locked. This procedure will unlock those files and reset their ownership, permissions, and access controls to the default. If you've intentionally set special values for those attributes, they will be reverted. In that case, either stop here, or be prepared to recreate the settings if necessary. Do so only after verifying that those settings didn't cause the problem. If none of this is meaningful to you, you don't need to worry about it, but you do need to follow the instructions below.
Back up all data before proceeding.
Step 1
If you have more than one user, and the one in question is not an administrator, then go to Step 2.
Enter the following command in the Terminal window in the same way as before (triple-click, copy, and paste):
sudo find ~ $TMPDIR.. -exec chflags -h nouchg,nouappnd,noschg,nosappnd {} + -exec chown -h $UID {} + -exec chmod +rw {} + -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-
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Take this step only if you have trouble with Step 1, if you prefer not to take it, or if it doesn't solve the problem.
Start up in Recovery mode. When the OS X Utilities screen appears, select
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IPhoto Start Error: Your photo library is either in use by another application or has become unreadable

Having the same issues with iPhoto as an OP in another thread. When I try to start iPhoto I get the following error, "Your photo library is either in use by another application or has become unreadable."
I have tried rebuilding the database with no joy to resolving the issue. The library has not been moved to another drive so I have not bothered with the "LockId" process someone recommended.
Following the instructions provided by Linc Davis in another thread....
Command Line In Terminal: "find ~ $TMPDIR.. $ -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $ 2>&- | wc -l | pbcopy"
I get the following response.
319
Does anyone have suggestions for what I can do to get iPhoto back up and running?
SYSTEM:
Hardware: iMac9
OSx Version: 10.6.8

Went thru the "rebuild library" process again. This time I selected to rebuild the library from an automatic back up. When I did that a screen came up saying "Upgrade or Quit - The photo library needs to be upgraded to work with this version of iPhoto". I selected Upgrade and everything seems fine now.
Not sure why anything would require an upgrade as I haven't done anything to upgrade iPhoto. Hope this is not a virus.
My Mac seems really slow. If anyone can recommend a cleanup process, I'm interested in going that route.
Thanks for the help here on the community forums!

"Your photo library is either in use by another application or has become unreadable" How do I regain access to iPhoto. All I get is an instruction to "quit"

When accessingh iPhoto all I get is "Your photo library is either in use by another application or has become unreadable" How do I regain access to iPhoto. All I get is an instruction to "quit"

Hi LarryHN,
I was loading images via a flash memory card which was inserted into a USB holder – during the 'download' the connection was broken [faulty USB connection]. I then re-inserted the card via the USB holder the connection was 're-broken' with a screen message indicating that 'force eject' was an option. I clicked the 'force eject' option and when I re-inserted the card/holder 120 images [approx] were missing and when I tried to open iPhoto the screen messages detailed above were displayed.
Current software is: iPhoto v9.2.3; Snow Leopard v10.6.8.
Using TD's Option 1:
i.e. “hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database” resulted in .
"Your photo library is either in use by another application or has become unreadable" with a window request “quit”
& Option 2 “Download iPhoto Library Manager and use its rebuild function”.
Resulted in the following message:
“The library could not be loaded because an error occurred. The library database could not be loaded; no such table RKVersionFaceContent. The album data file for the library 'iPhoto Library' could not be read” - [my italics]
Followed your instructions, re. 'new library' and it worked perfectly. All I have to do is select 'iPhoto Library2' and proceed as normal.
Thank You very much for your excellent advice and solution.
p.s. And this is completely 'off the wall' as I don't expect a positive outcome, but is it possible that all the images 'deleted' from my flash memory card could be somewhere in/on my HDD? If so, how would I proceed to recover them?
Many thanks again.
im.higgs boson

I was trying to move iphoto library to my external hardrive, realised it was incompatible with Mac. The iphoto will not open now, message is "Iphoto library is either in use by another application or has become unreadable". I have read other posts.

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