diff --git a/src/E2wxFrame.cpp b/src/E2wxFrame.cpp
index 9f40779..b0a487d 100644
--- a/src/E2wxFrame.cpp
+++ b/src/E2wxFrame.cpp
@@ -56,10 +56,14 @@ wxEND_EVENT_TABLE()
 
 
 
-E2wxFrame::E2wxFrame() : wxFrame(nullptr, wxID_ANY, "epple2") {
+E2wxFrame::E2wxFrame() : wxFrame(nullptr, wxID_ANY, "epple2"), statusBar(nullptr) {
 }
 
 E2wxFrame::~E2wxFrame() {
+    if (this->statusBar) {
+        delete this->statusBar;
+        this->statusBar = nullptr;
+    }
 }
 
 
@@ -89,7 +93,7 @@ void E2wxFrame::InitMenuBar() {
     miPaste->AddExtraAccel(wxAcceleratorEntry(wxACCEL_NORMAL, WXK_F7));
     menuEdit->AppendSeparator();
     wxMenuItem *miPrefs = menuEdit->Append(wxID_PREFERENCES);
-    miPrefs->SetAccel(new wxAcceleratorEntry(wxACCEL_CTRL, ','));
+    miPrefs->SetAccel(new wxAcceleratorEntry(wxACCEL_CTRL, 44));
 
 
     wxMenu *menuMachine = new wxMenu();
@@ -121,7 +125,7 @@ void E2wxFrame::InitMenuBar() {
 }
 
 void E2wxFrame::InitStatusBar() {
-    CreateStatusBar();
+    this->statusBar = CreateStatusBar();
     SetStatusText("Welcome to "+wxGetApp().GetID());
 }
 
diff --git a/src/E2wxFrame.h b/src/E2wxFrame.h
index 62a1624..3994004 100644
--- a/src/E2wxFrame.h
+++ b/src/E2wxFrame.h
@@ -23,6 +23,7 @@
 
 #include <wx/frame.h>
 #include <wx/event.h>
+#include <wx/statusbr.h>
 #include <string>
 
 class E2wxFrame : public wxFrame {
@@ -52,6 +53,8 @@ private:
     void OnToggleBuffered(wxCommandEvent& event);
 
     wxDECLARE_EVENT_TABLE();
+
+    wxStatusBar *statusBar;
 };
 
 #endif /* E2WXFRAME_H */
diff --git a/src/e2command.cpp b/src/e2command.cpp
index a41d2ad..ebb9eb9 100644
--- a/src/e2command.cpp
+++ b/src/e2command.cpp
@@ -186,6 +186,7 @@ void E2Command::tryParseLine(const std::string& line, MemoryRandomAccess& ram, M
         trim(file);
         std::ifstream *memfile = new std::ifstream(file.c_str(), std::ios::binary);
         if (!memfile->is_open()) {
+            delete memfile;
             std::filesystem::path f = wxGetApp().GetResDir();
             f /= file;
             memfile = new std::ifstream(f, std::ios::binary);
@@ -216,6 +217,7 @@ void E2Command::tryParseLine(const std::string& line, MemoryRandomAccess& ram, M
                 throw ConfigException("error at \"" + romtype + "\"; expected rom, rom7, or rombank");
         }
         memfile->close();
+        delete memfile;
     } else if (cmd == "load" || cmd == "save" || cmd == "unload") {
         std::string slotk;
         tok >> slotk;
diff --git a/src/screenimage.cpp b/src/screenimage.cpp
index 668feec..331b803 100644
--- a/src/screenimage.cpp
+++ b/src/screenimage.cpp
@@ -57,15 +57,19 @@ class ScreenException {
 };
 
 ScreenImage::ScreenImage() :
-fullscreen(false),
-buffer(true),
-display(AnalogTV::TV_OLD_COLOR),
-slotnames(8),
-cassInName(32, ' '),
-cassOutName(32, ' ') {
+    fullscreen(false),
+    buffer(true),
+    display(AnalogTV::TV_OLD_COLOR),
+    slotnames(8),
+    cassInName(32, ' '),
+    cassOutName(32, ' ') {
     createScreen();
 }
 
+ScreenImage::~ScreenImage() {
+    destroyScreen();
+}
+
 void ScreenImage::exitFullScreen() {
     if (this->fullscreen) {
         toggleFullScreen();
@@ -106,6 +110,12 @@ void ScreenImage::createScreen() {
     notifyObservers();
 }
 
+void ScreenImage::destroyScreen() {
+    SDL_DestroyTexture(this->texture);
+    SDL_DestroyRenderer(this->renderer);
+    SDL_DestroyWindow(this->window);
+}
+
 void ScreenImage::drawLabels() {
     drawText("EPPLE ][", 0, 141);
     drawText("ANNUNCIATORS: 0:  1:  2:  3:", 65, 17);
@@ -275,9 +285,6 @@ void ScreenImage::drawPower(bool on) {
     notifyObservers();
 }
 
-ScreenImage::~ScreenImage() {
-}
-
 void ScreenImage::notifyObservers() {
     const int e = SDL_UpdateTexture(this->texture, NULL, this->pixels, SCRW * sizeof (unsigned int));
     if (e) {
diff --git a/src/screenimage.h b/src/screenimage.h
index ad0432f..8fd969a 100644
--- a/src/screenimage.h
+++ b/src/screenimage.h
@@ -39,6 +39,7 @@ private:
     bool buffer;
     AnalogTV::DisplayType display;
     void createScreen();
+    void destroyScreen();
     std::vector<std::string> slotnames;
     std::string cassInName;
     std::string cassOutName;
diff --git a/src/slots.cpp b/src/slots.cpp
index 2a8068d..118e213 100644
--- a/src/slots.cpp
+++ b/src/slots.cpp
@@ -29,6 +29,9 @@ Slots::Slots(ScreenImage& gui):
 
 Slots::~Slots()
 {
+    for (Card *card : this->cards) {
+        delete card;
+    }
 }
 
 unsigned char Slots::io(const int islot, const int iswch, const unsigned char b, const bool writing)