diff --git a/trunk/src/com/jpexs/decompiler/flash/gui/Main.java b/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
index 4007db51a..fa496deb7 100644
--- a/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
+++ b/trunk/src/com/jpexs/decompiler/flash/gui/Main.java
@@ -984,6 +984,9 @@ public class Main {
     }
 
     public static boolean isAssociated() {
+        if(!Platform.isWindows()){
+            return false;
+        }
         if (!Advapi32Util.registryKeyExists(WinReg.HKEY_CLASSES_ROOT, ".swf")) {
             return false;
         }
diff --git a/trunk/src/com/jpexs/decompiler/flash/gui/MainFrame.java b/trunk/src/com/jpexs/decompiler/flash/gui/MainFrame.java
index 654152a14..71cb49c89 100644
--- a/trunk/src/com/jpexs/decompiler/flash/gui/MainFrame.java
+++ b/trunk/src/com/jpexs/decompiler/flash/gui/MainFrame.java
@@ -755,7 +755,6 @@ public class MainFrame extends AppFrame implements ActionListener, TreeSelection
 
 
 
-
         Component leftComponent = null;