Multipart problem; starts with "Your photo library is either in use by another application or has become unreadable"

Good morning -
I'm still a newb when it comes to my Mac mini, purchased last summer. Help me see through the fog of Microsoft thinking!
First: A few months ago, iPhoto gave me the above error message. Repairing permissions, rebuilding thumbnails, repairing database have not worked; in reading these pages it seemed reasonable to back up before proceeding.
Second: It seemed best to me to NOT use Time Machine to back my iPhoto library up, to avoid potentially copying the problem I'm currently having, whatever it is. I'd like to back up the pictures ONLY at first, rebuild iPhoto from the backup, and THEN use the NAS as a Time Machine backup. So...
Third: Bought a WD My Cloud drive. Attached to my router and set it up as instructed, then used copy and paste to try to copy my iPhoto library (just short of 50GB, BTW) to the "public pictures" folder of the drive. The process hangs after a few hours with an error message indicating I don't have permissions for some files.
What am I missing? How to proceed from here? I'm considering buying a direct-connected external drive for the initial backup of my iPhoto library, then attempt to rebuild the database, since all attempts to use the My Cloud for this purpose have been unsuccessful (I can copy documents to it, so I believe it's functioning).
Thanks for the help.
Travis

What format is the WD drive?
Get carbon copy cloner to make an exact copy of your old HD to the New one, or just clone one folder if you wish...
http://www.bombich.com/software/ccc.html
Or SuperDuper...
http://www.shirt-pocket.com/SuperDuper/
And/or...
Open Console in Utilities & see if there are any clues or repeating messages when this message happens.
What all 3rd party extentions are you running?
EtreCheck is a simple little app to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac.
http://www.etresoft.com/etrecheck

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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!

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?

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.
I removed it and I tried several times to reinstall it without success.

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 $UID {} + -exec chmod +rw {} + -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-
You'll be prompted for your login password, which won't be displayed when you type it. Type carefully and then press return. You may get a one-time warning to be careful. If you don’t have a login password, you’ll need to set one before you can run the command. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The command may take several minutes to run, depending on how many files you have. Wait for a new line ending in a dollar sign ($) to appear, then quit Terminal.
Step 2 (optional)
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
Utilities ▹ Terminal
from the menu bar. A Terminal window will open. In that window, type this:
res
Press the tab key. The partial command you typed will automatically be completed to this:
resetpassword
Press return. A Reset Password window will open. You’re not going to reset a password.
Select your startup volume ("Macintosh HD," unless you gave it a different name) if not already selected.
Select your username from the menu labeled Select the user account if not already selected.
Under Reset Home Directory Permissions and ACLs, click the Reset button
Select
 ▹ Restart
from the menu bar.

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

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.
          Advantages: All images and albums should be preserved.
          Disadvantages: All books, calendars, and slideshows will be lost.

How do you fix this error? Can't access photos Your photo library is either in use by another application or has become unreadable

How do you fix this error? Can't access photos----" Your photo library is either in use by another application or has become unreadable"

Try this: launch iPhoto with the Option key held down and create a new, test library. Import some photos and check to see if the same problem persists. If you can create and use a new library then your current library is damaged.
If that's the case make a temporary, backup copy (if you don't already have a backup copy) of the library and apply the two fixes below in order as needed:
Fix #1
Launch iPhoto with the Command+Option keys held down and rebuild the library.
Select the options identified in the screenshot.
Fix #2
Using iPhoto Library Manager to Rebuild Your iPhoto Library
Download iPhoto Library Manager and launch.
Click on the Add Library button, navigate to your Home/Pictures folder and select your iPhoto Library folder.
Now that the library is listed in the left hand pane of iPLM, click on your library and go to the File ➙ Rebuild Library menu option
In the next window name the new library and select the location you want it to be placed.
Click on the Create button.
Note: This creates a new library based on the LIbraryData.xml file in the library and will recover Events, Albums, keywords, titles and comments but not books, calendars or slideshows. The original library will be left untouched for further attempts at fixing the problem or in case the rebuilt library is not satisfactory.
OT

Hi, I have a brand new imac which i got today and when I open Iphoto all i get is the error message "Your photo library is either in use by another application or has become unreadable" any ideas? thanks

Hi, I have a brand new imac which i got today and when I open Iphoto all i get is the error message "Your photo library is either in use by another application or has become unreadable" any ideas? thanks

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.

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

i can't open iphoto , i got this message :"Your photo library is either in use by another application or has become unreadable" , i don't have anything to backup their my photos and because of that i scared to repiar the iphoto i don't want all my photos will be deleted help me please what should i do?

First Make a back up. Get something. You need it. To say that you are worried about your photos but don't have a back up is to contradict yourself.
Then:
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

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????

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???? held down the option and the command and tried to run what was ticked off and it just sits there with a spinning wheel and does nothing, can I throw the app away and download a new one? or will it still not open?

, can I throw the app away and download a new one? or will it still not open?
You could, but the error message is indicating that your iPhoto library needs repairing.
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?
If you have not tried "Rebuild"; do that next. But be sure to make a backup of your iPhoto library, before you try this.

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

Received message: your photo library is either in use by another application or has become unreadable". How do I fix this???

iPhoto will not open. "Your photo library is either is use by another application or has become unreadable. Shut down & restart your computer….". I did this and it still will not open. Any suggestions on how to fix this?

Do the following:
1 - launch iPhoto with the Command+Option keys held down to open the First Aid window. Be sure to follow the circled recommendation in the screenshot.
2 - Run Option #4, Rebuild Database.

I can't open iPhoto. Message reads "Your Photo Library is either in use by another application or has become unreadable".

I can't open iPhoto. Message reads "Your Photo Library is either in use by another application or has become unreadable".

Try the following:
1 - launch iPhoto with the Command+Option keys held down to open the First Aid window. Be sure to follow the circled recommendation in the screenshot.
2 - run Option #4, Rebuild Database.

My MacBook Pro is giving me this message "Your photo library is either in use by another application or has become unreadable"

Hello,
My MacBook Pro is giving me this message "Your photo library is either in use by another application or has become unreadable"
I connected my GoPro camera then my computer frooze & I could'nt click anything so I shut down the computer & when I switched it on again I recieved the above message!!
Help! what should I do now?
Thanks

Try the following:
1 - launch iPhoto with the Command+Option keys held down and rebuild the library.
2 - Run Option #4, Rebuild Database, followed by Option #1 if needed.
OT

Multipart problem; starts with "Your photo library is either in use by another application or has become unreadable"

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