I Am trying to run an ERP application which is windows .exe file using wine.Im to trying run on ubuntu & Fedora, its a java based application.it will be really helpful if its solved and this will avoid mr to dependent on windows machine... below is error im getting.. [root@localhost Client]# wine ClientV2_6.exe java.lang.ExceptionInInitializerError: Exception in thread "main" java.lang.RuntimeException: Unable to create a suitable default GraphicsConfiguration. Try changing your Display Settings. at sun.awt.Win32GraphicsDevice.getDefaultPixID(Native Method) at sun.awt.Win32GraphicsDevice.getDefaultConfiguration(Unknown Source) at sun.awt.windows.WToolkit.resetGC(Unknown Source) at sun.awt.windows.WToolkit.<clinit>(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at java.awt.Toolkit$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Unknown Source) at javax.swing.ImageIcon.<init>(Unknown Source) at javax.swing.ImageIcon.<init>(Unknown Source) at br.rmi.client.baseapplication.BrImageFile.makeImageIcon(Unknown Source) at br.rmi.client.baseapplication.BrImageFile.<init>(Unknown Source) at br.rmi.client.properties.KeyShortCuts.<init>(Unknown Source) at br.rmi.clientbaseapplication.BaseApplicationThread.run(Unknown Source) java.lang.NoClassDefFoundError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at java.awt.Toolkit$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Unknown Source) at sun.awt.GlobalCursorManager$CursorEvent.<init>(Unknown Source) at sun.awt.GlobalCursorManager.<clinit>(Unknown Source) at java.awt.Cursor.initIDs(Native Method) at java.awt.Cursor.<clinit>(Unknown Source) at java.awt.Window.<init>(Unknown Source) at java.awt.Frame.<init>(Unknown Source) at java.awt.Frame.<init>(Unknown Source) at javax.swing.JFrame.<init>(Unknown Source) at br.rmi.clientbaseapplication.BrDialogue$MainFrame.<init>(Unknown Source) at br.rmi.clientbaseapplication.BrDialogue.<init>(Unknown Source) at br.rmi.clientbaseapplication.BrDiglogThread.run(Unknown Source) java.lang.NoClassDefFoundError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at java.awt.Toolkit$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Unknown Source) at javax.swing.ImageIcon.<init>(Unknown Source) at javax.swing.ImageIcon.<init>(Unknown Source) at br.rmi.client.baseapplication.BrImageFile.makeImageIcon(Unknown Source) at br.rmi.client.baseapplication.BrImageFile.createFrameIcon(Unknown Source) at br.rmi.clientbaseapplication.LoginThread.<init>(Unknown Source) at br.rmi.clientbaseapplication.applicationsecurity.ApplicationSecurityManager.main(Unknown Source)