diff --git a/runtime/BrowserWindow.cpp b/runtime/BrowserWindow.cpp
index 6b2ae3f..409ece9 100644
--- a/runtime/BrowserWindow.cpp
+++ b/runtime/BrowserWindow.cpp
@@ -197,7 +197,7 @@ int BrowserWindow::findURLTab(const QUrl &name)
                 {
 	            webviewPtr = dynamic_cast<WebViewWindow*>(widgetPtr);
 
-	            if (webviewPtr != NULL && !QString::compare(webviewPtr->getFirstLoadURL(),name.url(), Qt::CaseInsensitive))
+	            if (webviewPtr != NULL && !QString::compare(webviewPtr->getFirstLoadURL(),name.host(), Qt::CaseInsensitive))
 	            {
 		        m_tabWidget->setCurrentIndex(tabCount);
 		        return 1;
@@ -412,7 +412,7 @@ void BrowserWindow::urlLinkClicked(const QUrl &name)
         m_tabWidget->tabBar()->setTabButton((m_tabWidget->count() - 1), QTabBar::LeftSide, m_widget);
         m_tabWidget->tabBar()->setTabButton((m_tabWidget->count() - 1), QTabBar::RightSide, m_btnClose);
 
-        m_addNewWebView->setFirstLoadURL(name.url());
+        m_addNewWebView->setFirstLoadURL(name.host());
         m_addNewWebView->setTabIndex((m_tabWidget->count() - 1));
         m_addNewWebView->setUrl(name);
     }
diff --git a/runtime/TabWindow.cpp b/runtime/TabWindow.cpp
index 9d02bb7..a1aa620 100644
--- a/runtime/TabWindow.cpp
+++ b/runtime/TabWindow.cpp
@@ -14,6 +14,7 @@
 // App headers
 #include "TabWindow.h"
 
+#include <QWebHistory>
 
 TabWindow::TabWindow(QWidget *parent) :
     QTabWidget(parent)
diff --git a/runtime/WebViewWindow.h b/runtime/WebViewWindow.h
index 4fdddfc..59280f3 100644
--- a/runtime/WebViewWindow.h
+++ b/runtime/WebViewWindow.h
@@ -14,7 +14,11 @@
 
 #include "pgAdmin4.h"
 
+#if QT_VERSION >= 0x050000
 #include <QtWebKitWidgets>
+#else
+#include <QWebView>
+#endif
 
 class WebViewWindow : public QWebView
 {
diff --git a/runtime/pgAdmin4.cpp b/runtime/pgAdmin4.cpp
index 906bd31..f21bc19 100644
--- a/runtime/pgAdmin4.cpp
+++ b/runtime/pgAdmin4.cpp
@@ -29,6 +29,17 @@
 #include "ConfigWindow.h"
 #include "Server.h"
 
+#include <QTime>
+
+void delay( int milliseconds )
+{
+    QTime endTime = QTime::currentTime().addMSecs( milliseconds );
+    while( QTime::currentTime() < endTime )
+    {
+        QCoreApplication::processEvents( QEventLoop::AllEvents, 100 );
+    }
+}
+
 int main(int argc, char * argv[])
 {
     // Create the QT application
@@ -47,8 +58,8 @@ int main(int argc, char * argv[])
     // Hence - putting this code in a code block so the scope of the socket
     // variable vanishes to make that socket available.
     {
-        QTcpSocket socket;
-        socket.bind(0, QAbstractSocket::DontShareAddress);
+        QUdpSocket socket;
+        socket.bind(0, QUdpSocket::ShareAddress);
         port = socket.localPort();
     }
 
@@ -69,7 +80,7 @@ int main(int argc, char * argv[])
 
     // This is a hack. Wait a second and then check to see if the server thread
     // is still running. If it's not, we probably had a startup error
-    QThread::sleep(1);
+    delay(1000);
 
     // Any errors?
     if (server->isFinished() || server->getError().length() > 0)
@@ -127,7 +138,7 @@ int main(int argc, char * argv[])
             exit(1);
         }
 
-        QThread::sleep(1);
+        delay(1000);
     }
 
     // Create & show the main window
diff --git a/runtime/pgAdmin4.h b/runtime/pgAdmin4.h
index 48da3b0..7730e23 100644
--- a/runtime/pgAdmin4.h
+++ b/runtime/pgAdmin4.h
@@ -23,6 +23,7 @@
 #include <QtWidgets>
 #else
 #include <QApplication>
+#include <QtGui>
 #include <Qt/qurl.h>
 #endif
 
diff --git a/runtime/pgAdmin4.pro b/runtime/pgAdmin4.pro
index 3da5414..6aa0361 100644
--- a/runtime/pgAdmin4.pro
+++ b/runtime/pgAdmin4.pro
@@ -71,8 +71,6 @@ FORMS       =   BrowserWindow.ui \
 ICON        =   pgAdmin4.icns
 QMAKE_INFO_PLIST = Info.plist
 
-cache()
-
 RESOURCES += \
     pgadmin4.qrc