diff --git a/launcher/java/JavaInstall.h b/launcher/java/JavaInstall.h
index 8c2743a00..6890264f3 100644
--- a/launcher/java/JavaInstall.h
+++ b/launcher/java/JavaInstall.h
@@ -40,6 +40,7 @@ struct JavaInstall : public BaseVersion {
     QString arch;
     QString path;
     bool recommended = false;
+    bool is_64bit = false;
 };
 
 using JavaInstallPtr = std::shared_ptr<JavaInstall>;
diff --git a/launcher/java/JavaInstallList.cpp b/launcher/java/JavaInstallList.cpp
index 4172ba2cf..569fda306 100644
--- a/launcher/java/JavaInstallList.cpp
+++ b/launcher/java/JavaInstallList.cpp
@@ -193,6 +193,7 @@ void JavaListLoadTask::javaCheckerFinished()
             javaVersion->id = result.javaVersion;
             javaVersion->arch = result.realPlatform;
             javaVersion->path = result.path;
+            javaVersion->is_64bit = result.is_64bit;
             candidates.append(javaVersion);
 
             qDebug() << " " << javaVersion->id.toString() << javaVersion->arch << javaVersion->path;
diff --git a/launcher/ui/pages/global/JavaPage.cpp b/launcher/ui/pages/global/JavaPage.cpp
index 7d7530e35..9b2aa7637 100644
--- a/launcher/ui/pages/global/JavaPage.cpp
+++ b/launcher/ui/pages/global/JavaPage.cpp
@@ -145,6 +145,14 @@ void JavaPage::on_javaDetectBtn_clicked()
     if (vselect.result() == QDialog::Accepted && vselect.selectedVersion()) {
         java = std::dynamic_pointer_cast<JavaInstall>(vselect.selectedVersion());
         ui->javaPathTextBox->setText(java->path);
+        if (!java->is_64bit && APPLICATION->settings()->get("MaxMemAlloc").toInt() > 2048) {
+            CustomMessageBox::selectable(this, tr("Confirm Selection"),
+                                         tr("You selected an x86 java version.\n"
+                                            "This means that will not support more than 2Gb(2048Mb) of ram.\n"
+                                            "Please make sure that the maximum memory value is lower."),
+                                         QMessageBox::Warning, QMessageBox::Ok, QMessageBox::Ok)
+                ->exec();
+        }
     }
 }
 
diff --git a/launcher/ui/pages/instance/InstanceSettingsPage.cpp b/launcher/ui/pages/instance/InstanceSettingsPage.cpp
index b962406d1..926e48952 100644
--- a/launcher/ui/pages/instance/InstanceSettingsPage.cpp
+++ b/launcher/ui/pages/instance/InstanceSettingsPage.cpp
@@ -36,6 +36,7 @@
  */
 
 #include "InstanceSettingsPage.h"
+#include "ui/dialogs/CustomMessageBox.h"
 #include "ui/java/JavaDownloader.h"
 #include "ui_InstanceSettingsPage.h"
 
@@ -412,6 +413,15 @@ void InstanceSettingsPage::on_javaDetectBtn_clicked()
         ui->labelPermGen->setVisible(visible);
         ui->labelPermgenNote->setVisible(visible);
         m_settings->set("PermGenVisible", visible);
+
+        if (!java->is_64bit && m_settings->get("MaxMemAlloc").toInt() > 2048) {
+            CustomMessageBox::selectable(this, tr("Confirm Selection"),
+                                         tr("You selected an x86 java version.\n"
+                                            "This means that will not support more than 2Gb(2048Mb) of ram.\n"
+                                            "Please make sure that the maximum memory value is lower."),
+                                         QMessageBox::Warning, QMessageBox::Ok, QMessageBox::Ok)
+                ->exec();
+        }
     }
 }
 
diff --git a/launcher/ui/widgets/JavaSettingsWidget.cpp b/launcher/ui/widgets/JavaSettingsWidget.cpp
index bb57e5da7..507c632d5 100644
--- a/launcher/ui/widgets/JavaSettingsWidget.cpp
+++ b/launcher/ui/widgets/JavaSettingsWidget.cpp
@@ -433,6 +433,10 @@ void JavaSettingsWidget::updateThresholds()
     } else if (observedMaxMemory < observedMinMemory) {
         iconName = "status-yellow";
         m_labelMaxMemIcon->setToolTip(tr("Your maximum memory allocation is smaller than the minimum value"));
+    } else if (observedMaxMemory > 2048 && m_result.is_64bit) {
+        iconName = "status-bad";
+        m_labelMaxMemIcon->setToolTip(
+            tr("Your maximum memory allocation exceeds selected java posible memory(due to x86 applicatiion limitations)."));
     } else {
         iconName = "status-good";
         m_labelMaxMemIcon->setToolTip("");