diff --git a/i2p-controller.cpp b/i2p-controller.cpp
index a9eebb4..461bd28 100644
--- a/i2p-controller.cpp
+++ b/i2p-controller.cpp
@@ -4,6 +4,39 @@
 I2PController::I2PController(QObject *parent)
     : QObject(parent)
 {
+    this->isFatalErrored = false;
+
+    connect(&i2p, &QProcess::errorOccurred,
+            this, &I2PController::onProcessError);
+
+    connect(&i2p, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished),
+            this, &I2PController::onProcessFinished);
+
+    connect(&i2p, &QProcess::readyReadStandardOutput, this, [this]() {
+        qDebug() << "[i2pd]" << i2p.readAllStandardOutput();
+    });
+
+    connect(&i2p, &QProcess::readyReadStandardError, this, [this]() {
+        QString msg = i2p.readAllStandardError();
+        qDebug() << "[i2pd ERROR]" << msg;
+        if (msg.contains("missing/unreadable config file:")) {
+            emit fatalError(msg);
+        }
+    });
+
+    // Close the launcher
+    connect(this, &I2PController::fatalError, [this](QString msg) {
+        this->isFatalErrored = true;
+        qCritical() << msg;
+        QMessageBox::critical(
+            nullptr,
+            "I2P Error",
+            "A fatal error occurred while running i2pd:\n\n" + msg +
+                "\n\nThe launcher will now close.",
+            QMessageBox::Ok
+        );
+        qApp->exit(1);
+    });
 }
 
 void I2PController::start() {
@@ -72,6 +105,8 @@ void I2PController::onProcessFinished(int exitCode, QProcess::ExitStatus status)
 
 void I2PController::restartI2P()
 {
+    if (isFatalErrored) return;
+
     static int restartCount = 0;
 
     if (restartCount > 5)
diff --git a/i2p-controller.h b/i2p-controller.h
index 429529d..df74ffe 100644
--- a/i2p-controller.h
+++ b/i2p-controller.h
@@ -4,6 +4,8 @@
 #include <QProcess>
 #include <QDebug>
 #include <QTimer>
+#include <QMessageBox>
+#include <QApplication>
 
 class I2PController : public QObject
 {
@@ -14,6 +16,7 @@ public:
 private:
     QProcess i2p;
     void restartI2P();
+    bool isFatalErrored;
 public slots:
     void onProcessError(QProcess::ProcessError error);
     void onProcessFinished(int exitCode, QProcess::ExitStatus status);
diff --git a/locales.cpp b/locales.cpp
index 490badd..769e6b2 100644
--- a/locales.cpp
+++ b/locales.cpp
@@ -25,6 +25,10 @@ LocaleMap ru_RU = {
     {"welcome.showPassword", "Показать пароль"},
     {"welcome.logIn", "Войти"},
     {"welcome.register", "Зарегистрироваться"},
+    // I2PD
+    {"i2pd.errorTitle", "Ошибка I2P"},
+    {"i2pd.errorDescription.p1", "I2P Завершилась с фатальной ошибкой:\n\n"},
+    {"i2pd.errorDescription.p2", "\n\nЛаунчер будет закрыт."},
 };
 
 // English
@@ -50,6 +54,10 @@ LocaleMap en_US = {
     {"welcome.showPassword", "Show the password"},
     {"welcome.logIn", "LogIn"},
     {"welcome.register", "Registration"},
+    // I2PD
+    {"i2pd.errorTitle", "I2P Error"},
+    {"i2pd.errorDescription.p1", "A fatal error occurred while running i2pd:\n\n"},
+    {"i2pd.errorDescription.p2", "\n\nThe launcher will now close."},
 };
 
 void initLocales () {
@@ -58,3 +66,12 @@ void initLocales () {
     locales["en_US"] = &en_US;
     //locales["en_UK"] = &en_US;
 }
+
+LocaleMap* getLocale () {
+    std::string locale = (QLocale::system()).name().toStdString();
+    if (locales.find(locale) == locales.end()) {
+        locale = "en_US";
+    }
+    LocaleMap* localeMap = locales[locale];
+    return localeMap;
+}
diff --git a/locales.h b/locales.h
index 00a6ad4..571a87b 100644
--- a/locales.h
+++ b/locales.h
@@ -3,9 +3,11 @@
 
 #include <map>
 #include <string>
+#include <QLocale>
 
 using LocaleMap = std::map<const std::string, const std::string>;
 extern std::map<const std::string, LocaleMap*> locales;
 extern void initLocales ();
+LocaleMap* getLocale ();
 
 #endif // LOCALES_H