Here's how to reproduce the crash: * Open "Show Thumbnails" * Change a file's name to something else via shell etc. * Do "Maintainance" --> "Rescan for Images and Videos" (the thumbnail for the moved file disappears) * Try to open the image in the annotation dialog or viewer --> KPA crashes If one does the very same without "Show Thumbnails" being opened, there's no problem. Reproducible: Always
One important thing to note: while renaming the file, the Viewer should be open. Otherwise I can't reproduce the crash.
I believe this issue was fixed by d23e928fd7cedc4d039480d69c88f0e92cb1f48a.