diff --git a/app/src/main/java/com/mylloon/mobidl/MainActivity.kt b/app/src/main/java/com/mylloon/mobidl/MainActivity.kt
index dc1a2bd..cffb4d1 100644
--- a/app/src/main/java/com/mylloon/mobidl/MainActivity.kt
+++ b/app/src/main/java/com/mylloon/mobidl/MainActivity.kt
@@ -53,10 +53,9 @@ class MainActivity : AppCompatActivity() {
 
         // read apps from the app preference
         val sharedPref = context.getSharedPreferences(sharedPref, MODE_PRIVATE)
-        var data: Set<String>? = null
-        data = sharedPref.getStringSet("apps", null)
+        val data: Set<String>? = sharedPref.getStringSet("apps", null)
 
-        return data?.toMutableList() ?: mutableListOf<String>()
+        return data?.toMutableList() ?: mutableListOf()
     }
 
     override fun onCreate(savedInstanceState: Bundle?) { // Main function
@@ -122,7 +121,7 @@ class MainActivity : AppCompatActivity() {
             }, 100) // delay to add button settings
         }
         val user = Credentials().get(0).toString()
-        this.title = "${getString(R.string.app_name)} (${getString(R.string.connected_as)} $user)";
+        this.title = "${getString(R.string.app_name)} (${getString(R.string.connected_as)} $user)"
         val valuesRecyclerView = getValuesRecyclerView() // list of all the element in the main page
 
         class Adapter(private val values: List<String>) :
@@ -161,8 +160,14 @@ class MainActivity : AppCompatActivity() {
                         true
                     }
                     button?.setOnClickListener {
-                        val password = Credentials().get(1).toString()
-                        callScript(user, password, "Plex") // call script
+                        val password = Credentials().get(1)
+                        if (password != null) { // call script
+                            callScript(user, password.toString(), button?.text.toString())
+                        } else {
+                            Toast.makeText(applicationContext, R.string.notConnected, Toast.LENGTH_LONG)
+                                .show()
+                            loginPage()
+                        }
                     }
                 }
             }
diff --git a/app/src/main/java/com/mylloon/mobidl/Scraper.kt b/app/src/main/java/com/mylloon/mobidl/Scraper.kt
index 9ec050f..81a3bee 100644
--- a/app/src/main/java/com/mylloon/mobidl/Scraper.kt
+++ b/app/src/main/java/com/mylloon/mobidl/Scraper.kt
@@ -1,8 +1,10 @@
 package com.mylloon.mobidl
 
+import android.widget.Toast
 import com.github.kittinunf.fuel.core.FuelManager
 import com.github.kittinunf.fuel.httpGet
 import com.github.kittinunf.fuel.httpPost
+import com.mylloon.mobidl.MainActivity.Companion.applicationContext
 import com.github.kittinunf.result.Result.Failure as FuelFailure
 import com.github.kittinunf.result.Result.Success as FuelSuccess
 
@@ -15,9 +17,13 @@ class Scraper(
 ) {
 
     private var url: String = "https://forum.mobilism.org"
-    private var sid: String? = null
+    private var sid: String? = Credentials().getSID()
     private var retry: Int = 0
 
+    private var errorNotConnected = "Log me on automatically each visit"
+    private var loginAttemptsExceeded = "You exceeded the maximum allowed number of login attempts."
+    private var searchNotLogged = "Sorry but you are not permitted to use the search system. If you're not logged in please"
+
     private fun errorFormat(
         code: Int? = null,
         message: String = ""
@@ -25,7 +31,7 @@ class Scraper(
         return "${if (code != null) "[$code]" else ""}${if ((message.isNotEmpty()) and (code is Int)) " " else ""}$message."
     }
 
-    private fun connect(calledFromSearch: Boolean = false) {
+    private fun connect() {
         if (debug) println("Connection attempt...")
         retry++
         FuelManager.instance.basePath = url
@@ -39,22 +45,36 @@ class Scraper(
                         println(errorFormat(response.statusCode, "Exception: $ex"))
                     }
                     is FuelSuccess -> {
-                        if (debug) {
-                            println("") // does nothing but is required otherwise everything bugs :(
-                        }
+                        println("") // does nothing but is required otherwise everything bugs :(
                     }
                 }
             }
-        sid = "(?<=sid=)(.{32})".toRegex().find(session.join().data.decodeToString())?.value
-        if (calledFromSearch) return search()
+        val data = session.join().data.decodeToString()
+        sid = "(?<=sid=)(.{32})".toRegex().find(data)?.value
+        if (errorNotConnected in data) return if (loginAttemptsExceeded in data) error(loginAttemptsExceeded) else error(data)
+        Credentials().storeSID(sid.toString())
+        return search()
+    }
+
+    private fun error(htmlPage: String) {
+        var message = ""
+        if (errorNotConnected in htmlPage) {
+            message = "${applicationContext().getString(R.string.connectionFailed)}\n${applicationContext().getString(R.string.credentialsDeleted)}."
+            Credentials().delete()
+        } else if (loginAttemptsExceeded in htmlPage) {
+            message = applicationContext().getString(R.string.loginAttemptsExceeded)
+        }
+        println(errorFormat(message = message))
+        Toast.makeText(applicationContext(), message, Toast.LENGTH_LONG)
+            .show()
     }
 
     fun search() { // Do the research.
         if (sid == null) {
             println(errorFormat(message = "No SID found"))
-            if (retry < 3) return connect(true) else return
+            if (retry < 3) return connect() else return
         } else {
-            if (debug) println("Successful login!")
+            if (debug) println("SID recovered")
             retry = 0
         }
         if (debug) println("Going to search page...")
@@ -70,14 +90,20 @@ class Scraper(
                         println(errorFormat(response.statusCode, "Exception: $ex"))
                     }
                     is FuelSuccess -> {
-                        if (debug) {
-                            if (debug) println("Successful search!")
-                        }
+                        println("") // does nothing but is required otherwise everything bugs :(
                     }
                 }
             }
         val data = session.join().data.decodeToString()
-        //println(data)
+        if (searchNotLogged in data) {
+            println(errorFormat(message = "The SID doesn't work, new attempt..."))
+            if (retry < 3) return connect() else return
+        } else return parse(data)
+    }
+
+    private fun parse(htmlPage: String) {
+        if (debug) println("Fetching results for $app...")
+        // println(htmlPage)
     }
 
 }
diff --git a/app/src/main/res/values-fr-rFR/strings.xml b/app/src/main/res/values-fr-rFR/strings.xml
index 560adeb..2048e99 100644
--- a/app/src/main/res/values-fr-rFR/strings.xml
+++ b/app/src/main/res/values-fr-rFR/strings.xml
@@ -17,4 +17,9 @@
     <string name="dropBro">lâche frère</string>
     <string name="internetPermission">Pas la permission d\'utiliser internet</string>
     <string name="connected_as">connecté en tant que</string>
+    <string name="connectionFailed">Connexion échoué, changez vos identifiants</string>
+    <string name="error">Erreur</string>
+    <string name="credentialsDeleted">Vos identifiants ont été supprimées</string>
+    <string name="loginAttemptsExceeded">Vous avez dépassé le nombre maximal autorisé de tentatives de connexion, veuillez patienter</string>
+    <string name="notConnected">Vous n\'êtes pas connecté, redirection vers la page de connexion</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6eaed02..c140098 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,6 @@
 <resources>
     <string name="app_name" translatable="false">MobiDL</string>
+    <string name="error">Error</string>
 
     <!-- Login page -->
     <string name="titleLogin">Login to your Mobilism account</string>
@@ -13,6 +14,7 @@
     <string name="validate">Validate</string>
     <string name="remove">Remove</string>
     <string name="cancel">Cancel</string>
+    <string name="notConnected">You are not logged in, redirection to the login page</string>
     <string name="dropBro">drop bro</string>
 
     <!-- Settings page -->
@@ -24,4 +26,7 @@
 
     <!-- Scraper -->
     <string name="internetPermission">No permission to use internet</string>
+    <string name="connectionFailed">Login failed, change your credentials</string>
+    <string name="credentialsDeleted">Your credentials have been deleted</string>
+    <string name="loginAttemptsExceeded">You have exceeded the maximum number of connection attempts, please wait</string>
 </resources>
\ No newline at end of file