修改阻断问题

代码/workspace_robo4/plugins/dotnet/robocode.dotnet.installer/src/main/java/net/sf/robocode/installer/AutoExtract.java

@@ -241,7 +241,7 @@ public class AutoExtract implements ActionListener {
 		// Set native look and feel
 		try {
 			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
-		} catch (Throwable t) {// For some reason Ubuntu 7 can cause a NullPointerException when trying to getting the LAF
+		} catch (Exception t) {// For some reason Ubuntu 7 can cause a NullPointerException when trying to getting the LAF
 		}
 
 		File suggestedDir;