diff --git a/build.gradle.kts b/build.gradle.kts
index dfa82fd..34a89ad 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -32,7 +32,7 @@ dependencies {
     compile("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
     compile  ("org.jetbrains.kotlinx:kotlinx-coroutines-core")
 
-    compile("com.lightstreamer:ls-javase-client:3.1.1")
+    compile("com.lightstreamer:ls-javase-client:4.3.7")
 
     compile("com.fasterxml.jackson.module:jackson-module-kotlin:2.10.2")
 
diff --git a/drivers/windows/chromedriver.exe b/drivers/windows/chromedriver.exe
index 14e61bc..0e49805 100644
Binary files a/drivers/windows/chromedriver.exe and b/drivers/windows/chromedriver.exe differ
diff --git a/pom.xml b/pom.xml
index 5487342..93897a2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>com.lightstreamer</groupId>
       <artifactId>ls-javase-client</artifactId>
-      <version>3.1.1</version>
+      <version>4.3.7</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
diff --git a/src/main/kotlin/ok/work/etoroapi/client/EtoroHttpClient.kt b/src/main/kotlin/ok/work/etoroapi/client/EtoroHttpClient.kt
index feb81fd..7b0ce7c 100644
--- a/src/main/kotlin/ok/work/etoroapi/client/EtoroHttpClient.kt
+++ b/src/main/kotlin/ok/work/etoroapi/client/EtoroHttpClient.kt
@@ -25,6 +25,7 @@ import java.net.http.HttpClient
 import java.net.http.HttpRequest
 import java.net.http.HttpResponse
 import javax.annotation.PostConstruct
+import kotlin.math.log
 
 
 data class ViewContext(val ClientViewRate: Double)
@@ -116,7 +117,12 @@ class EtoroHttpClient {
                     if (!imageData.has("Uri")) {
                         continue;
                     }
-                    val image = Image(imageData.getInt("Width"), imageData.getInt("Height"), imageData.getString("Uri"))
+                    val image = Image(0,0, "");
+                    try {
+                        val image = Image(imageData.getInt("Width"), imageData.getInt("Height"), imageData.getString("Uri"))
+                    } catch (e: Exception) {
+
+                    }
                     imageList.add(image)
                 }
                 var id: String
diff --git a/src/main/kotlin/ok/work/etoroapi/client/browser/EtoroBrowserContext.kt b/src/main/kotlin/ok/work/etoroapi/client/browser/EtoroBrowserContext.kt
index 3d06fca..7b5db66 100644
--- a/src/main/kotlin/ok/work/etoroapi/client/browser/EtoroBrowserContext.kt
+++ b/src/main/kotlin/ok/work/etoroapi/client/browser/EtoroBrowserContext.kt
@@ -40,7 +40,12 @@ class EtoroMetadataService(@Value("\${etoro.baseUrl}") val baseUrl: String, @Val
 
         opts = ChromeOptions()
         System.setProperty("webdriver.chrome.driver", pathToDriver)
-        opts.addArguments("start-maximized")
+        opts.addArguments("--no-sandbox"); // Bypass OS security model
+        opts.addArguments("start-maximized"); // open Browser in maximized mode
+        opts.addArguments("disable-infobars"); // disabling infobars
+        opts.addArguments("--disable-extensions"); // disabling extensions
+        opts.addArguments("--disable-gpu"); // applicable to windows os only
+        opts.addArguments("--disable-dev-shm-usage"); // overcome limited resource problems
         opts.addArguments("--disable-blink-features=AutomationControlled")
         login()
     }
diff --git a/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroListener.kt b/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroListener.kt
index 283c702..5bf6772 100644
--- a/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroListener.kt
+++ b/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroListener.kt
@@ -6,6 +6,10 @@ import com.lightstreamer.client.SubscriptionListener
 
 open class EtoroListener : SubscriptionListener {
     
+    override fun onRealMaxFrequency(p0: String?) {
+        println("onRealMaxFrequency")
+    }
+
     override fun onListenEnd(subscription: Subscription) {
         println("onListenEnd")
     }
diff --git a/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroPriceListener.kt b/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroPriceListener.kt
index 5180581..5487ea3 100644
--- a/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroPriceListener.kt
+++ b/src/main/kotlin/ok/work/etoroapi/client/websocket/listeners/EtoroPriceListener.kt
@@ -23,7 +23,7 @@ class EtoroPriceListener : EtoroListener() {
     }
 
     override fun onItemUpdate(itemUpdate: ItemUpdate) {
-        val id = itemUpdate.itemName.replace("instrument:", "")
+        val id = itemUpdate.itemName!!.replace("instrument:", "")
 
         if (watchlist.getById(id) !== null) {
             watchlist.updatePrice(id, itemUpdate.getValue(2), itemUpdate.getValue(3))
@@ -36,7 +36,7 @@ class EtoroPriceListener : EtoroListener() {
             val log = StringBuilder()
             var update = HashMap<String, String>()
             for (i in 1..subscriptionFields.size) {
-                update.put(subscriptionFields[i-1], itemUpdate.getValue(i))
+                update.put(subscriptionFields[i-1], itemUpdate.getValue(i).toString())
                 log.append("${itemUpdate.getValue(i)} | ")
             }
             println(log.toString())