diff --git a/G-Earth/src/main/java/gearth/extensions/parsers/HEntity.java b/G-Earth/src/main/java/gearth/extensions/parsers/HEntity.java
index 95f277e..4966c07 100644
--- a/G-Earth/src/main/java/gearth/extensions/parsers/HEntity.java
+++ b/G-Earth/src/main/java/gearth/extensions/parsers/HEntity.java
@@ -18,6 +18,8 @@ public class HEntity {
     private HEntityUpdate lastUpdate = null;
     private Object[] stuff = new Object[0];
 
+    private int unknown1;
+
     public HEntity(HPacket packet) {
         id = packet.readInteger();
         name = packet.readString();
@@ -27,7 +29,7 @@ public class HEntity {
         tile = new HPoint(packet.readInteger(), packet.readInteger(),
                 Double.parseDouble(packet.readString()));
 
-        packet.readInteger();
+        unknown1 = packet.readInteger();
         int entityTypeId = packet.readInteger();
         entityType = HEntityType.valueOf(entityTypeId);
 
@@ -43,7 +45,7 @@ public class HEntity {
                 stuff[4] = packet.readBoolean();
                 break;
             case 2:
-                stuff = new Object[20];
+                stuff = new Object[12];
                 stuff[0] = packet.readInteger();
                 stuff[1] = packet.readInteger();
                 stuff[2] = packet.readString();
@@ -72,6 +74,48 @@ public class HEntity {
         }
     }
 
+    public void appendToPacket(HPacket packet) {
+        packet.appendInt(id);
+        packet.appendString(name);
+        packet.appendString(motto);
+        packet.appendString(figureId);
+        packet.appendInt(index);
+        packet.appendInt(tile.getX());
+        packet.appendInt(tile.getY());
+        packet.appendString(tile.getZ() + "");
+        packet.appendInt(unknown1);
+        packet.appendInt(entityType.getId());
+//
+        switch (entityType.getId()) {
+            case 1:
+                packet.appendObjects(gender.toString(), stuff[0], stuff[1],
+                        favoriteGroup, stuff[2], stuff[3], stuff[4]);
+                break;
+            case 2:
+                packet.appendObjects(stuff);
+                break;
+            case 4:
+                packet.appendObjects(stuff[0], stuff[1], stuff[2]);
+                List<Short> list = (List<Short>) stuff[3];
+                packet.appendInt(list.size());
+                for(short s : list) {
+                    packet.appendShort(s);
+                }
+
+                break;
+        }
+    }
+
+    public static HPacket constructPacket(HEntity[] entities, int headerId) {
+        HPacket packet = new HPacket(headerId);
+        packet.appendInt(entities.length);
+        for (HEntity entity : entities) {
+            entity.appendToPacket(packet);
+        }
+
+        return packet;
+    }
+
     public static HEntity[] parse(HPacket packet) {
         HEntity[] entities = new HEntity[packet.readInteger()];
 
@@ -132,4 +176,44 @@ public class HEntity {
     public Object[] getStuff() {
         return stuff;
     }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public void setIndex(int index) {
+        this.index = index;
+    }
+
+    public void setTile(HPoint tile) {
+        this.tile = tile;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setMotto(String motto) {
+        this.motto = motto;
+    }
+
+    public void setGender(HGender gender) {
+        this.gender = gender;
+    }
+
+    public void setFigureId(String figureId) {
+        this.figureId = figureId;
+    }
+
+    public void setFavoriteGroup(String favoriteGroup) {
+        this.favoriteGroup = favoriteGroup;
+    }
+
+    public void setLastUpdate(HEntityUpdate lastUpdate) {
+        this.lastUpdate = lastUpdate;
+    }
+
+    public void setStuff(Object[] stuff) {
+        this.stuff = stuff;
+    }
 }
diff --git a/G-Earth/src/main/java/gearth/misc/Cacher.java b/G-Earth/src/main/java/gearth/misc/Cacher.java
index ace14c9..dd7b6a1 100644
--- a/G-Earth/src/main/java/gearth/misc/Cacher.java
+++ b/G-Earth/src/main/java/gearth/misc/Cacher.java
@@ -17,8 +17,9 @@ import java.util.List;
 public class Cacher {
 
     private static final String DEFAULT_CACHE_FILENAME = "cache.json";
+    private static String cacheDir;
 
-    public static String getCacheDir() {
+    static {
         File GEarthDir = null;
         try {
             GEarthDir = new File(Main.class.getProtectionDomain().getCodeSource().getLocation().toURI()).getParentFile();
@@ -26,15 +27,21 @@ public class Cacher {
                 GEarthDir = GEarthDir.getParentFile();
             }
 
-        } catch (URISyntaxException e) {
-//            e.printStackTrace();
-        }
+        } catch (URISyntaxException e) { }
 
-        return GEarthDir
+        cacheDir = GEarthDir
                 + File.separator
                 + "Cache";
     }
 
+    public static void setCacheDir(String s) {
+        cacheDir = s;
+    }
+
+    public static String getCacheDir() {
+        return cacheDir;
+    }
+
 
 
     public static boolean cacheFileExists(String cache_filename) {
diff --git a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/entities/extensiondetails/StoreExtensionDetailsOverview.java b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/entities/extensiondetails/StoreExtensionDetailsOverview.java
index 0f11226..aa594c1 100644
--- a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/entities/extensiondetails/StoreExtensionDetailsOverview.java
+++ b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/application/entities/extensiondetails/StoreExtensionDetailsOverview.java
@@ -120,7 +120,7 @@ public class StoreExtensionDetailsOverview extends HOverview {
     @Override
     public void buttonClick(GExtensionStore gExtensionStore) {
         int mode = mode();
-        if (mode == 2) return;
+        if (mode == 1) return;
 
         String modeString = mode() == 0 ? "Install" : "Update";
         HOverview selff = this;
@@ -149,7 +149,7 @@ public class StoreExtensionDetailsOverview extends HOverview {
         if (mode() == 0) {
             StoreExtensionTools.installExtension(extension.getTitle(), storeRepository, listener);
         }
-        else if (mode() == 1) {
+        else if (mode() == 2) {
             StoreExtensionTools.updateExtension(extension.getTitle(), storeRepository, listener);
         }
     }
diff --git a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/tools/StoreExtensionTools.java b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/tools/StoreExtensionTools.java
index e809c63..a235209 100644
--- a/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/tools/StoreExtensionTools.java
+++ b/G-Earth/src/main/java/gearth/services/internal_extensions/extensionstore/tools/StoreExtensionTools.java
@@ -142,10 +142,14 @@ public class StoreExtensionTools {
 
                     } catch (MalformedURLException e) {
                         listener.fail("Invalid extension URL");
-                        removeExtension(path); // cleanup
+                        try {
+                            removeExtension(path); // cleanup
+                        } catch (IOException ignore) { }
                     } catch (IOException e) {
                         listener.fail("Extension not available in repository");
-                        removeExtension(path); // cleanup
+                        try {
+                            removeExtension(path); // cleanup
+                        } catch (IOException ignore) { }
                     }
                 }
                 else {
@@ -161,12 +165,8 @@ public class StoreExtensionTools {
 
     }
 
-    public static void removeExtension(String extensionPath) {
-        try {
-            FileUtils.deleteDirectory(new File(extensionPath));
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+    public static void removeExtension(String extensionPath) throws IOException {
+        FileUtils.deleteDirectory(new File(extensionPath));
     }
 
     public static List<InstalledExtension> getInstalledExtension() {