diff --git a/app/src/main/java/awais/instagrabber/utils/FlavorTown.java b/app/src/main/java/awais/instagrabber/utils/FlavorTown.java
index 676ef8d1..ea0b26e6 100755
--- a/app/src/main/java/awais/instagrabber/utils/FlavorTown.java
+++ b/app/src/main/java/awais/instagrabber/utils/FlavorTown.java
@@ -14,6 +14,7 @@ import java.util.regex.Pattern;
 
 import awais.instagrabber.BuildConfig;
 import awais.instagrabber.R;
+import awaisomereport.CrashReporterHelper;
 
 import static awais.instagrabber.utils.Utils.settingsHelper;
 
@@ -70,23 +71,23 @@ public final class FlavorTown {
     }
 
     public static void changelogCheck(@NonNull final Context context) {
-        if (settingsHelper.getInteger(Constants.PREV_INSTALL_VERSION) < BuildConfig.VERSION_CODE) {
-            int appUaCode = settingsHelper.getInteger(Constants.APP_UA_CODE);
-            int browserUaCode = settingsHelper.getInteger(Constants.BROWSER_UA_CODE);
-            if (browserUaCode == -1 || browserUaCode >= UserAgentUtils.browsers.length) {
-                browserUaCode = ThreadLocalRandom.current().nextInt(0, UserAgentUtils.browsers.length);
-                settingsHelper.putInteger(Constants.BROWSER_UA_CODE, browserUaCode);
-            }
-            if (appUaCode == -1 || appUaCode >= UserAgentUtils.devices.length) {
-                appUaCode = ThreadLocalRandom.current().nextInt(0, UserAgentUtils.devices.length);
-                settingsHelper.putInteger(Constants.APP_UA_CODE, appUaCode);
-            }
-            final String appUa = UserAgentUtils.generateAppUA(appUaCode, LocaleUtils.getCurrentLocale().getLanguage());
-            settingsHelper.putString(Constants.APP_UA, appUa);
-            final String browserUa = UserAgentUtils.generateBrowserUA(browserUaCode);
-            settingsHelper.putString(Constants.BROWSER_UA, browserUa);
-            Toast.makeText(context, R.string.updated, Toast.LENGTH_SHORT).show();
-            settingsHelper.putInteger(Constants.PREV_INSTALL_VERSION, BuildConfig.VERSION_CODE);
+        if (settingsHelper.getInteger(Constants.PREV_INSTALL_VERSION) >= BuildConfig.VERSION_CODE) return;
+        int appUaCode = settingsHelper.getInteger(Constants.APP_UA_CODE);
+        int browserUaCode = settingsHelper.getInteger(Constants.BROWSER_UA_CODE);
+        if (browserUaCode == -1 || browserUaCode >= UserAgentUtils.browsers.length) {
+            browserUaCode = ThreadLocalRandom.current().nextInt(0, UserAgentUtils.browsers.length);
+            settingsHelper.putInteger(Constants.BROWSER_UA_CODE, browserUaCode);
         }
+        if (appUaCode == -1 || appUaCode >= UserAgentUtils.devices.length) {
+            appUaCode = ThreadLocalRandom.current().nextInt(0, UserAgentUtils.devices.length);
+            settingsHelper.putInteger(Constants.APP_UA_CODE, appUaCode);
+        }
+        final String appUa = UserAgentUtils.generateAppUA(appUaCode, LocaleUtils.getCurrentLocale().getLanguage());
+        settingsHelper.putString(Constants.APP_UA, appUa);
+        final String browserUa = UserAgentUtils.generateBrowserUA(browserUaCode);
+        settingsHelper.putString(Constants.BROWSER_UA, browserUa);
+        CrashReporterHelper.deleteAllStacktraceFiles(context);
+        Toast.makeText(context, R.string.updated, Toast.LENGTH_SHORT).show();
+        settingsHelper.putInteger(Constants.PREV_INSTALL_VERSION, BuildConfig.VERSION_CODE);
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/awais/instagrabber/utils/LocaleUtils.kt b/app/src/main/java/awais/instagrabber/utils/LocaleUtils.kt
index b95b6481..b6e3df49 100755
--- a/app/src/main/java/awais/instagrabber/utils/LocaleUtils.kt
+++ b/app/src/main/java/awais/instagrabber/utils/LocaleUtils.kt
@@ -8,16 +8,16 @@ import java.util.*
 
 // taken from my app TESV Console Codes
 object LocaleUtils {
-    private var defaultLocale: Locale? = null
+    private lateinit var defaultLocale: Locale
 
     @JvmStatic
-    var currentLocale: Locale? = null
+    lateinit var currentLocale: Locale
         private set
 
     @JvmStatic
     fun setLocale(baseContext: Context) {
         var baseContext1 = baseContext
-        if (defaultLocale == null) defaultLocale = Locale.getDefault()
+        defaultLocale = Locale.getDefault()
         if (baseContext1 is ContextThemeWrapper) baseContext1 = baseContext1.baseContext
         if (Utils.settingsHelper == null) Utils.settingsHelper = SettingsHelper(baseContext1)
         val appLanguageSettings = Utils.settingsHelper.getString(PreferenceKeys.APP_LANGUAGE)
@@ -30,7 +30,7 @@ object LocaleUtils {
             }
             else -> Locale(lang)
         }
-        currentLocale?.let {
+        currentLocale.let {
             Locale.setDefault(it)
             val res = baseContext1.resources
             val config = res.configuration
@@ -43,7 +43,7 @@ object LocaleUtils {
 
     @JvmStatic
     fun updateConfig(wrapper: ContextThemeWrapper) {
-        if (currentLocale == null) return
+        if (!this::currentLocale.isInitialized) return
         val configuration = Configuration()
         // configuration.locale = currentLocale
         configuration.setLocale(currentLocale)
diff --git a/app/src/main/java/awaisomereport/CrashReporterHelper.kt b/app/src/main/java/awaisomereport/CrashReporterHelper.kt
index d9af2874..37839498 100644
--- a/app/src/main/java/awaisomereport/CrashReporterHelper.kt
+++ b/app/src/main/java/awaisomereport/CrashReporterHelper.kt
@@ -126,4 +126,20 @@ object CrashReporterHelper {
             Log.e(TAG, "", e)
         }
     }
+
+    @JvmStatic
+    fun deleteAllStacktraceFiles(context: Context) {
+        val filePath = context.filesDir.absolutePath
+        val errorFileList: Array<File>? = try {
+            val dir = File(filePath)
+            if (dir.exists() && !dir.isDirectory) {
+                dir.delete()
+            }
+            dir.mkdirs()
+            dir.listFiles { _: File?, name: String -> name.endsWith(".stacktrace") }
+        } catch (e: Exception) {
+            null
+        }
+        errorFileList?.forEach { it.delete() }
+    }
 }
\ No newline at end of file