Quit iPhoto, select the first icon in the Dock then hold Option and go to Go at the top of the screen to Library then open Users/yourusername/Library/Preferences/ drag to the trash anything that begins with com.apple.iPhoto.???, then try opening iPhoto. Tap 'Trust' to continue. You might need to keep it unlock in order to successfully import pictures from iPhone to iPhoto/Photos App. Solution 2: Rebuild iPhoto Thumbnails. If your photo stream has been exported into iPhoto Library, but you cannot see them when launching iPhoto application, you can follow below steps to fix it. Open and launch the photos app. On the upper-right corner of your screen, click on Select and choose the photo (s) you want hidden. You could also do it manually when looking at a preview of a single image. In the lower-left corner, click on the Share icon—the one in blue with an arrow stretching upwards out of it.
Hit Command + Q to quit Photos. Hold Option while opening Photos. Select an iPhoto Library and click Choose Library. Allow the Library to sync. This can take a while, so if you've got. Restart your mac and try launch iPhoto again. If that fails: 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.
You can store your library on an external storage device, such as a USB or Thunderbolt drive formatted as APFS or Mac OS Extended (Journaled). However, you can't move your library to a disk that's used for Time Machine backups.
To prevent data loss, Apple doesn't recommend storing photo libraries on external storage devices like SD cards and USB flash drives, or drives that are shared on a network.
Make sure that the drive is turned on and available to your Mac before opening Photos. If Photos can't find your drive, it stops using the Photos Library stored there.
After you open your library from its new location and make sure that it works as expected, you can delete the library from its original location.
In a Finder window, go back to your Pictures folder (or whichever folder you copied your library from) and move Photos Library to the trash. Then choose Finder > Empty Trash to delete the library and reclaim disk space.
If you have multiple libraries, here's how to open a different one:
Photos uses this library until you open a different one. Sketchup 2016 32 bit download.
If you have a permissions issue with your library, you might be able to resolve the issue by using the Photos library repair tool.
* If the volume isn't formatted as APFS or Mac OS Extended (Journaled), or has been used for Time Machine backups but hasn't been erased, this checkbox will either not be present, or it won't be selectable after unlocking. Erase the drive for this option to be available.