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mjava.lang.StringIndexOutOfBoundsException: String index out of range: -3	at java.lang.String.substring(String.java:1875)	at raptor.service.CheckUpdates.checkUpdates(Unknown Source)	at raptor.Raptor$3.run(Unknown Source)	at org.eclipse.swt.widgets.Display.timerProc(Unknown Source)	at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)	at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(Unknown Source)	at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)	at org.eclipse.jface.window.Window.open(Window.java:801)	at raptor.Raptor.main(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at raptor.updater.UpdateManager.invokeMain(Unknown Source)	at raptor.updater.UpdateManager.main(Unknown Source)