diff --git a/app/src/main/java/de/jrpie/android/launcher/Functions.kt b/app/src/main/java/de/jrpie/android/launcher/Functions.kt
index ebfc070..721caa2 100644
--- a/app/src/main/java/de/jrpie/android/launcher/Functions.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/Functions.kt
@@ -3,6 +3,7 @@ package de.jrpie.android.launcher
 import android.app.Activity
 import android.app.Service
 import android.app.role.RoleManager
+import android.content.ActivityNotFoundException
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
@@ -16,6 +17,7 @@ import android.os.UserHandle
 import android.os.UserManager
 import android.provider.Settings
 import android.util.Log
+import android.widget.Toast
 import de.jrpie.android.launcher.actions.Action
 import de.jrpie.android.launcher.actions.Gesture
 import de.jrpie.android.launcher.apps.AppInfo
@@ -83,14 +85,18 @@ fun getPrivateSpaceUser(context: Context): UserHandle? {
     val userManager = context.getSystemService(Context.USER_SERVICE) as UserManager
     val launcherApps = context.getSystemService(Context.LAUNCHER_APPS_SERVICE) as LauncherApps
     return userManager.userProfiles.firstOrNull { u ->
-            launcherApps.getLauncherUserInfo(u)?.userType == UserManager.USER_TYPE_PROFILE_PRIVATE
+        launcherApps.getLauncherUserInfo(u)?.userType == UserManager.USER_TYPE_PROFILE_PRIVATE
     }
 }
 
 fun openInBrowser(url: String, context: Context) {
     val intent = Intent(Intent.ACTION_VIEW, Uri.parse(url))
     intent.putExtras(Bundle().apply { putBoolean("new_window", true) })
-    context.startActivity(intent)
+    try {
+        context.startActivity(intent)
+    } catch (_: ActivityNotFoundException) {
+        Toast.makeText(context, R.string.toast_activity_not_found_browser, Toast.LENGTH_LONG).show()
+    }
 }
 
 fun openTutorial(context: Context) {
diff --git a/app/src/main/java/de/jrpie/android/launcher/actions/AppAction.kt b/app/src/main/java/de/jrpie/android/launcher/actions/AppAction.kt
index 2bb3780..4b71a90 100644
--- a/app/src/main/java/de/jrpie/android/launcher/actions/AppAction.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/actions/AppAction.kt
@@ -2,6 +2,7 @@ package de.jrpie.android.launcher.actions
 
 import android.app.AlertDialog
 import android.app.Service
+import android.content.ActivityNotFoundException
 import android.content.Context
 import android.content.Intent
 import android.content.pm.LauncherApps
@@ -34,7 +35,11 @@ class AppAction(val app: AppInfo) : Action {
 
         context.packageManager.getLaunchIntentForPackage(packageName)?.let {
             it.addCategory(Intent.CATEGORY_LAUNCHER)
-            context.startActivity(it)
+            try {
+                context.startActivity(it)
+            } catch (_: ActivityNotFoundException) {
+                return false
+            }
             return true
         }
 
diff --git a/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt b/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt
index 55f07a5..c52f951 100644
--- a/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt
+++ b/app/src/main/java/de/jrpie/android/launcher/ui/list/apps/ListFragmentApps.kt
@@ -1,11 +1,13 @@
 package de.jrpie.android.launcher.ui.list.apps
 
+import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.fragment.app.Fragment
 import de.jrpie.android.launcher.R
 import de.jrpie.android.launcher.apps.AppFilter
@@ -91,7 +93,16 @@ class ListFragmentApps : Fragment(), UIObject {
 
                 if (LauncherPreferences.functionality().searchWeb()) {
                     val i = Intent(Intent.ACTION_WEB_SEARCH).putExtra("query", query)
-                    activity?.startActivity(i)
+                    try {
+                        activity?.startActivity(i)
+                    } catch (_: ActivityNotFoundException) {
+                        Toast.makeText(
+                            requireContext(),
+                            R.string.toast_activity_not_found_search_web,
+                            Toast.LENGTH_LONG
+                        ).show()
+                    }
+
                 } else {
                     appsRecyclerAdapter.selectItem(0)
                 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0910170..a2e0c37 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -328,5 +328,7 @@
     <string name="dialog_cancel">Cancel</string>
     <string name="settings_meta_licenses">Open Source Licenses</string>
     <string name="legal_info_title">Open Source Licenses</string>
+    <string name="toast_activity_not_found_search_web">No app found to handle search.</string>
+    <string name="toast_activity_not_found_browser">Can\'t open URL: no browser found.</string>
 
 </resources>