I find the solution: I re-installed these 4 packages (these packages are the result of this command "dpkg -l | grep libswt"): libswt-cairo-gtk-3.6-jni libswt-gtk-3.6-java libswt-gtk-3.6-jni libswt-webkit-gtk-3.6-jni
after that I launch zekr and it is working well..Alhamdolilleh... Assalamo alaykom ** Changed in: sabily Assignee: أحمد المحمودي (Ahmed El-Mahmoudy) (aelmahmoudy) => Abdelmonam Kouka (abdelmonam-kouka) ** Changed in: zekr Assignee: Mohammad Derakhshani (mderakhs) => Abdelmonam Kouka (abdelmonam-kouka) ** Changed in: sabily Status: New => Fix Released ** Changed in: zekr Status: New => Fix Released -- You received this bug notification because you are a member of Sabily Team, which is subscribed to Sabily. https://bugs.launchpad.net/bugs/783602 Title: SWT problem Status in Sabily: Fix Released Status in Zekr Quran Study Tool: Fix Released Bug description: Assalamo alaykom, Zekr was working well, just after upgrading into natty it would not load, I try to launch it using terminal and this is what I get: kouka@kouka-laptop:~$ zekr Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/swt/SWT at net.sf.zekr.common.config.GlobalConfig.<clinit>(GlobalConfig.java:34) at net.sf.zekr.common.runtime.Naming.<clinit>(Naming.java:21) at net.sf.zekr.engine.log.Logger.<clinit>(Logger.java:44) at net.sf.zekr.ZekrMain.<clinit>(ZekrMain.java:32) Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.SWT at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:321) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:266) ... 4 more Could not find the main class: net.sf.zekr.ZekrMain. Program will exit. _______________________________________________ Mailing list: https://launchpad.net/~sabily.team Post to : sabily.team@lists.launchpad.net Unsubscribe : https://launchpad.net/~sabily.team More help : https://help.launchpad.net/ListHelp