diff --git a/java_console/autoupdate/src/com/rusefi/autoupdate/Autoupdate.java b/java_console/autoupdate/src/com/rusefi/autoupdate/Autoupdate.java
index 212a54d543..dd5427883b 100644
--- a/java_console/autoupdate/src/com/rusefi/autoupdate/Autoupdate.java
+++ b/java_console/autoupdate/src/com/rusefi/autoupdate/Autoupdate.java
@@ -82,7 +82,6 @@ public class Autoupdate {
             }
 
             // todo: user could have waited hours to respond to question above, we probably need to re-establish connection
-            HttpURLConnection httpConnection = connectionAndMeta.getHttpConnection();
             long completeFileSize = connectionAndMeta.getCompleteFileSize();
             long lastModified = connectionAndMeta.getLastModified();
 
@@ -95,7 +94,7 @@ public class Autoupdate {
             System.out.println("Downloaded " + file.length() + " bytes");
 
             unzip(zipFileName, "..");
-        } catch (IOException e) {
+        } catch (Exception e) {
             System.err.println(e);
         }
     }
diff --git a/java_console/autoupdate/src/com/rusefi/autoupdate/AutoupdateUtil.java b/java_console/autoupdate/src/com/rusefi/autoupdate/AutoupdateUtil.java
index 4e92abcc79..9f198a81ce 100644
--- a/java_console/autoupdate/src/com/rusefi/autoupdate/AutoupdateUtil.java
+++ b/java_console/autoupdate/src/com/rusefi/autoupdate/AutoupdateUtil.java
@@ -3,6 +3,7 @@ package com.rusefi.autoupdate;
 import com.rusefi.ui.util.FrameHelper;
 import org.jetbrains.annotations.NotNull;
 
+import javax.net.ssl.*;
 import javax.swing.*;
 import java.awt.*;
 import java.io.*;
@@ -10,6 +11,11 @@ import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
 import java.util.Date;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicReference;
@@ -119,7 +125,7 @@ public class AutoupdateUtil {
 
     public static class ConnectionAndMeta {
         private String zipFileName;
-        private HttpURLConnection httpConnection;
+        private HttpsURLConnection httpConnection;
         private long completeFileSize;
         private long lastModified;
 
@@ -139,12 +145,31 @@ public class AutoupdateUtil {
             return lastModified;
         }
 
-        public ConnectionAndMeta invoke() throws IOException {
+        public ConnectionAndMeta invoke() throws IOException, NoSuchAlgorithmException, KeyManagementException {
+            // user can have java with expired certificates or funny proxy, we shall accept any certificate :(
+            SSLContext ctx = SSLContext.getInstance("TLS");
+            ctx.init(new KeyManager[0], new TrustManager[] {new AcceptAnyCertificateTrustManager()}, new SecureRandom());
+
             URL url = new URL("https://rusefi.com/build_server/autoupdate/" + zipFileName);
-            httpConnection = (HttpURLConnection) url.openConnection();
+            httpConnection = (HttpsURLConnection) url.openConnection();
+            httpConnection.setSSLSocketFactory(ctx.getSocketFactory());
             completeFileSize = httpConnection.getContentLength();
             lastModified = httpConnection.getLastModified();
             return this;
         }
     }
+
+    private static class AcceptAnyCertificateTrustManager implements X509TrustManager {
+
+        @Override
+        public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}
+
+        @Override
+        public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}
+
+        @Override
+        public X509Certificate[] getAcceptedIssuers() {
+            return null;
+        }
+    }
 }
diff --git a/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/TsPluginLauncher.java b/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/TsPluginLauncher.java
index cab286eacd..7e63f1a8c3 100644
--- a/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/TsPluginLauncher.java
+++ b/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/TsPluginLauncher.java
@@ -10,7 +10,7 @@ import javax.swing.*;
  * by the way TS installs stuff into %user%\.efianalytics\TunerStudio\plugins folder
  */
 public class TsPluginLauncher implements ApplicationPlugin {
-    static final String VERSION = "alpha2020";
+    static final String VERSION = "alpha2_2020";
     private static final String HELP_URL = "https://github.com/rusefi/rusefi/wiki/TS-Plugin";
 
     private final JPanel content = new JPanel(new VerticalFlowLayout());
diff --git a/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/Updater.java b/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/Updater.java
index a96934397a..bad2664911 100644
--- a/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/Updater.java
+++ b/java_tools/ts_plugin_launcher/src/com/rusefi/ts_plugin/Updater.java
@@ -9,7 +9,6 @@ import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.io.File;
-import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.MalformedURLException;
@@ -86,7 +85,7 @@ public class Updater {
                 AutoupdateUtil.ConnectionAndMeta connectionAndMeta;
                 try {
                     connectionAndMeta = new AutoupdateUtil.ConnectionAndMeta(PLUGIN_BODY_JAR).invoke();
-                } catch (IOException e) {
+                } catch (Exception e) {
                     e.printStackTrace();
                     return;
                 }
@@ -146,7 +145,7 @@ public class Updater {
 
             startPlugin();
 
-        } catch (IOException | ClassNotFoundException | InstantiationException | IllegalAccessException e) {
+        } catch (Exception e) {
             e.printStackTrace();
             download.setEnabled(true);
         }