diff --git a/.idea/encodings.xml b/.idea/encodings.xml
index c0bce70..6589dfe 100644
--- a/.idea/encodings.xml
+++ b/.idea/encodings.xml
@@ -2,6 +2,8 @@
 <project version="4">
   <component name="Encoding">
     <file url="file://$PROJECT_DIR$" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
     <file url="PROJECT" charset="UTF-8" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/Controller.java b/src/main/java/Controller.java
index 48a6b1c..913c08f 100644
--- a/src/main/java/Controller.java
+++ b/src/main/java/Controller.java
@@ -4,11 +4,13 @@ import javafx.collections.FXCollections;
 import javafx.concurrent.Service;
 import javafx.concurrent.Task;
 import javafx.fxml.FXML;
+import javafx.scene.control.Alert;
 import javafx.scene.control.Label;
 import javafx.scene.control.Tooltip;
 import javafx.stage.FileChooser;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.configuration2.ex.ConfigurationException;
+import org.jsoup.HttpStatusException;
 import pojo.App;
 import util.CreamApiConfig;
 import util.CreamApiDllHandler;
@@ -26,9 +28,23 @@ import java.util.Objects;
 public class Controller {
 
     private static final String REGEX = "(?<steamApiDll>steam_api(?:64)?.dll)$";
-    private CreamApiDllHandler handler = CreamApiDllHandler.getInstance();
-    private CreamApiConfig config = CreamApiConfig.getInstance();
-    private SteamAppsListCache cache = new SteamAppsListCache();
+    private CreamApiDllHandler handler = null;
+    {
+        try {
+            handler = CreamApiDllHandler.getInstance();
+        } catch (IOException e) {
+            Alert alert = new Alert(Alert.AlertType.ERROR);
+            alert.setTitle("CreamAPI DLLs missing!");
+            alert.setHeaderText("CreamAPI DLL files can't be found!");
+            alert.setContentText("Please download CreamAPI and extract the non-log " +
+                    "version in the same folder as Auto-CreamAPI!\nThe program will now close.");
+            alert.showAndWait();
+            System.exit(10);
+        }
+    }
+
+    private final CreamApiConfig config = CreamApiConfig.getInstance();
+    private final SteamAppsListCache cache = new SteamAppsListCache();
     @FXML
     public Label state_label;
     @FXML
@@ -69,6 +85,7 @@ public class Controller {
         generate_tooltips();
         fix_dlc_textarea_prompt_text();
         reset(true);
+        state_label.setText("Ready.");
     }
 
     private void read() {
@@ -148,8 +165,10 @@ public class Controller {
                             config.sync();
                         } catch (IOException | ConfigurationException e) {
                             e.printStackTrace();
+                            cancel();
                         } catch (NullPointerException e) {
                             System.err.println("No configuration file set!");
+                            cancel();
                         }
                         return null;
                     }
@@ -164,6 +183,10 @@ public class Controller {
             setDisableAllButtons(false);
             state_label.setText("Saved successfully!");
         });
+        s.setOnCancelled(event -> {
+            setDisableAllButtons(false);
+            state_label.setText("Could not save configuration file!");
+        });
         s.start();
     }
 
@@ -192,10 +215,20 @@ public class Controller {
                 return new Task<Void>() {
                     @Override
                     protected Void call() {
-                        Map<Number, String> collect = cache.getDlcMap(appId_textfield.getText());
-                        StringBuilder sb = new StringBuilder();
-                        collect.forEach((k, v) -> sb.append(k).append("=").append(v).append("\n"));
-                        dlc_textarea.setText(sb.toString());
+                        try {
+                            Map<Number, String> collect = cache.getDlcMap(appId_textfield.getText());
+                            StringBuilder sb = new StringBuilder();
+                            collect.forEach((k, v) -> sb.append(k).append("=").append(v).append("\n"));
+                            dlc_textarea.setText(sb.toString());
+                        } catch (HttpStatusException e) {
+                            if (e.getStatusCode() == 404) {
+                                System.err.println("App ID empty or not found! (HTTP Status Code: 404)");
+                            }
+                            cancel();
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                            cancel();
+                        }
                         return null;
                     }
                 };
@@ -209,6 +242,10 @@ public class Controller {
             setDisableAllButtons(false);
             state_label.setText("Got list of DLCs successfully!");
         });
+        s.setOnCancelled(event -> {
+            setDisableAllButtons(false);
+            state_label.setText("Could not get list of DLCs!");
+        });
         s.start();
     }
 
@@ -225,6 +262,7 @@ public class Controller {
             path_textfield.setText(file.getParent());
             steamApiPathString = file.getAbsolutePath();
             reset(true);
+            state_label.setText("Ready.");
         } catch (ConfigurationException | IOException e) {
             e.printStackTrace();
         }
diff --git a/src/main/java/util/CreamApiConfig.java b/src/main/java/util/CreamApiConfig.java
index 6100f5d..53ae0f5 100644
--- a/src/main/java/util/CreamApiConfig.java
+++ b/src/main/java/util/CreamApiConfig.java
@@ -20,8 +20,8 @@ public class CreamApiConfig {
     private Boolean unlockAll;
     private Boolean extraProtection;
     private Boolean forceOffline;
-    private Map<Integer, String> dlc = new HashMap<>();
-    private List<String> languages = new ArrayList<>();
+    private final Map<Integer, String> dlc = new HashMap<>();
+    private final List<String> languages = new ArrayList<>();
 
     private CreamApiConfig() {
         try {
@@ -35,7 +35,7 @@ public class CreamApiConfig {
         File langFile = new File("languages.txt");
         try {
             BufferedReader fIn = new BufferedReader(new FileReader(langFile));
-            fIn.lines().filter(line -> !line.isEmpty() && !line.startsWith("#")).forEach(line -> languages.add(line));
+            fIn.lines().filter(line -> !line.isEmpty() && !line.startsWith("#")).forEach(languages::add);
         } catch (IOException e) {
             e.printStackTrace();
         }
diff --git a/src/main/java/util/CreamApiDllHandler.java b/src/main/java/util/CreamApiDllHandler.java
index 8027047..c9f88a0 100644
--- a/src/main/java/util/CreamApiDllHandler.java
+++ b/src/main/java/util/CreamApiDllHandler.java
@@ -15,24 +15,14 @@ public class CreamApiDllHandler {
     private final String steamApiDllMd5;
     private final String steamApi64DllMd5;
 
-    private CreamApiDllHandler() {
-        String steamApiDllMd5 = "";
-        String steamApi64DllMd5 = "";
-        try {
-            steamApiDllMd5 = DigestUtils.md5Hex(Files.newInputStream(steamApiDllPath));
-        } catch (IOException e) {
-            System.err.println("File missing: " + steamApiDllPath.toAbsolutePath().toString());
-        }
-        try {
-            steamApi64DllMd5 = DigestUtils.md5Hex(Files.newInputStream(steamApi64DllPath));
-        } catch (IOException e) {
-            System.err.println("File missing: " + steamApi64DllPath.toAbsolutePath().toString());
-        }
+    private CreamApiDllHandler() throws IOException {
+        String steamApiDllMd5 = DigestUtils.md5Hex(Files.newInputStream(steamApiDllPath));
+        String steamApi64DllMd5 = DigestUtils.md5Hex(Files.newInputStream(steamApi64DllPath));
         this.steamApiDllMd5 = steamApiDllMd5;
         this.steamApi64DllMd5 = steamApi64DllMd5;
     }
 
-    public static synchronized CreamApiDllHandler getInstance() {
+    public static synchronized CreamApiDllHandler getInstance() throws IOException {
         if (creamApiDllHandlerInstance == null) {
             creamApiDllHandlerInstance = new CreamApiDllHandler();
         }
diff --git a/src/main/java/util/SteamAppsListCache.java b/src/main/java/util/SteamAppsListCache.java
index d7422d5..8a1534e 100644
--- a/src/main/java/util/SteamAppsListCache.java
+++ b/src/main/java/util/SteamAppsListCache.java
@@ -4,7 +4,6 @@ import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import kong.unirest.HttpResponse;
 import kong.unirest.Unirest;
-import org.jsoup.HttpStatusException;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
@@ -26,29 +25,31 @@ import java.util.stream.Collectors;
 public class SteamAppsListCache {
 
     private SteamAppsList list = new SteamAppsList();
-    private File cacheFile = new File("steamapps.json");
+    private final File cacheFile = new File("steamapps.json");
     private MainEnv env;
     //private String key;
 
     public SteamAppsListCache() {
         try {
-            Class envDefault = Class.forName("util.env.Default");
+            Class<?> envDefault = Class.forName("util.env.Default");
             env = (MainEnv) envDefault.newInstance();
-            //System.out.println(env.getKey());
+            // System.out.println(env.getKey());
         } catch (ClassNotFoundException e) {
             env = new MainEnv();
         } catch (IllegalAccessException | InstantiationException e) {
             // Only thrown by newInstance()
             e.printStackTrace();
         }
-        boolean fileFound = true;
+        //boolean fileFound = true;
         try {
             getListFromFile();
         } catch (FileNotFoundException e) {
             System.err.println("File does not exist, trying to create steamapps.json for the first time...");
-            fileFound = false;
+            //fileFound = false;
+            sync();
         }
-        if (!fileFound || Instant.now().isAfter(list.getTimestamp().plus(Duration.ofDays(3)))) {
+        if (Instant.now().isAfter(list.getTimestamp().plus(Duration.ofDays(3)))) {
+            System.err.println("List in file is not recent!");
             sync();
         }
     }
@@ -89,6 +90,7 @@ public class SteamAppsListCache {
     }
 
     private void getListFromApi() {
+        System.out.println("Trying to get SteamAppList from API...");
         List<App> apps = getApps();
         list.setTimestamp(Instant.now());
         list.setSteamAppsList(apps);
@@ -104,23 +106,27 @@ public class SteamAppsListCache {
     }
 
     private void saveListToFile() throws IOException {
+        System.out.println("Trying to save SteamAppList to file (" + cacheFile.getAbsolutePath() + ")...");
         Gson gson = new Gson();
         String jsonString = gson.toJson(list);
         BufferedWriter fOut = new BufferedWriter(new FileWriter(cacheFile));
         fOut.write(jsonString);
         fOut.close();
+        System.out.println("Successfully saved SteamAppList to file  (" + cacheFile.getAbsolutePath() + ")...");
     }
 
     private void getListFromFile() throws FileNotFoundException {
+        System.out.println("Trying to get SteamAppList from file (" + cacheFile.getAbsolutePath() + ")...");
         BufferedReader fIn = new BufferedReader(new FileReader(cacheFile));
         String json = fIn.lines().collect(Collectors.joining());
         final Type type = new TypeToken<SteamAppsList>() {
         }.getType();
         Gson gson = new Gson();
         list = gson.fromJson(json, type);
+        System.out.println("Successfully got SteamAppList from file (" + cacheFile.getAbsolutePath() + ")...");
     }
 
-    public LinkedHashMap<Number, String> getDlcMap(String appId) {
+    public LinkedHashMap<Number, String> getDlcMap(String appId) throws IOException{
         Map<Integer, String> steamStoreDLCs = new HashMap<>();
         Map<Integer, String> steamDbDLCs = new HashMap<>();
         //StringBuilder sb = new StringBuilder();
@@ -152,12 +158,6 @@ public class SteamAppsListCache {
                 }
                 steamDbDLCs.put(Integer.parseInt(dlc_id), dlc_name);
             }
-        } catch (HttpStatusException e) {
-            if (e.getStatusCode() == 404) {
-                System.err.println("App ID empty or not found! (HTTP Status Code: 404)");
-            }
-        } catch (IOException e) {
-            e.printStackTrace();
         } catch (NullPointerException e) {
             // ignore
         }
diff --git a/steam_api.dll b/steam_api.dll
index 117c18f..9e780d3 100644
Binary files a/steam_api.dll and b/steam_api.dll differ
diff --git a/steam_api64.dll b/steam_api64.dll
index f27c80f..bcb85c4 100644
Binary files a/steam_api64.dll and b/steam_api64.dll differ