Description of problem: Fedora 23 . Opened fritzing and trying to open an example : File -> Open Example -> Arduino -> Digital -> Output -> Blink When slider moves just to 49% window disappears . I tried this procedure on another machine (clean) installed from scratch - the same simptom. Version-Release number of selected component: fritzing-0.9.2b-1.fc23 Additional info: reporter: libreport-2.6.3 backtrace_rating: 4 cmdline: Fritzing crash_function: QBasicAtomicInt::ref executable: /usr/bin/Fritzing global_pid: 6888 kernel: 4.2.7-300.fc23.x86_64 runlevel: N 5 type: CCpp uid: 1001 Truncated backtrace: Thread no. 1 (10 frames) #0 QBasicAtomicInt::ref at /usr/include/QtCore/qatomic_x86_64.h:121 #1 QHash<QString, unz64_file_pos_s>::QHash at /usr/include/QtCore/qhash.h:281 #2 QuaZipPrivate::QuaZipPrivate at /usr/src/debug/quazip-0.7.1/quazip/quazip.cpp:108 #3 QuaZip::QuaZip at /usr/src/debug/quazip-0.7.1/quazip/quazip.cpp:199 #4 FolderUtils::unzipTo at src/utils/folderutils.cpp:424 #5 MainWindow::loadBundledSketch at src/mainwindow/mainwindow.cpp:1410 #6 MainWindow::loadWhich at src/mainwindow/mainwindow_menu.cpp:349 #7 MainWindow::openRecentOrExampleFile at src/mainwindow/mainwindow_menu.cpp:2658 #9 MainWindow::qt_static_metacall at release/moc_mainwindow.cpp:1188 #10 QMetaObject::activate at kernel/qobject.cpp:3713
Created attachment 1107774 [details] File: backtrace
Created attachment 1107775 [details] File: cgroup
Created attachment 1107776 [details] File: core_backtrace
Created attachment 1107777 [details] File: dso_list
Created attachment 1107778 [details] File: environ
Created attachment 1107779 [details] File: exploitable
Created attachment 1107780 [details] File: limits
Created attachment 1107781 [details] File: maps
Created attachment 1107782 [details] File: mountinfo
Created attachment 1107783 [details] File: namespaces
Created attachment 1107784 [details] File: open_fds
Created attachment 1107785 [details] File: proc_pid_status
Created attachment 1107786 [details] File: var_log_messages
I'm going to mark this as a dupe of #1292970, since it looks like it's all related to some problems with the quazip I linked against in this version. I'll track updates there. *** This bug has been marked as a duplicate of bug 1292970 ***