Message- photo library is in use by another application or has become unreadable. I do not have a back up

iPhoto crashed while retouching. This message appears when I try to relaunch. Unfortunately, I do not have a back up of my photos. How should I proceed withour loosing my library – thanks

You may not be able to since you have made the really bad decision not to have a backup - without one sooner or later yoyu will lose everything including yoru photos
what version of iPhoto and of the OS?
YOu can try Back up your iPhoto library, Depress and hold the option (alt) and command keys and launch iPhoto - rebuild your database
LN

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HT2638 My iPhoto says it is in use by another application or has become unreadable. Nothing I have done is working?

My iPhoto says it is in use by another application or has become unreadable. Nothing I have done is working? I've tried restarting my compuer, holding down the command and option keys as I open it and have tried downloading another version of the iPhoto..

See if you can do the following:
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 Library ➙ 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. However, books, calendars, cards and slideshows will be lost.
Note: your current library will be left untouched for further attempts at a fix if so desired.
OT

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

How do I re-open and get back into my iPhoto if this message appears: "Your photo library is either in use by another application or has become unreadable"? What do I do?

How do I re-open and get back into my iPhoto if this message appears: "Your photo library is either in use by another application or has become unreadable"? What do I do?

Rebuild your iPhoto Library:
iPhoto 6 and later: Rebuilding the iPhoto library

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.

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.

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.

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

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

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

I get this message when I try to open iphoto: Your photo library is either in use by another application or has become unreadable. What can I do?

I get this message when I try to open iphoto: Your photo library is either in use by another application or has become unreadable. What can I do?

restart your system
if that does not resolve it backup youoriPhoto librtary, depress the option and command keys, launch iphoto and rebuild the database
also report the version of iPhoto and on the OS please
LN

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.

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 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

Message- photo library is in use by another application or has become unreadable. I do not have a back up

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