This is an archive of the old MediaWiki-based ImageJ wiki. The current website can be found at imagej.net.
Fix non-functional ImageJ after Update
Unfortunately, there was a bug in the ImageJ updater that affected the update of the updater itself. The easiest way to get back a functional updater is to import this URL via File › Import › URL....
If that does not work, please delete the files ij-ui-swing-updater-2.0.0-SNAPSHOT.jar, ij-updater-core-2.0.0-SNAPSHOT.jar and ij-core-2.0.0-SNAPSHOT.jar from the Fiji.app/jars/ directory (MacOSX users, ^ Ctrl+click on the Fiji icon and select Open Package Contents and open the jars/ directory you see there). After that, the Updater should magically repair itself.
If that still fails, please download a fresh copy from here:
Error creating thumbnail: Unable to save thumbnail to destination ~ Download Fiji for your OS ~ Error creating thumbnail: Unable to save thumbnail to destination
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64-bit |
macOS |
64-bit |
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32-bit | No JRE | 32-bit |