diff --git a/waypaper/changer.py b/waypaper/changer.py
index d1c384c..64f5fcc 100644
--- a/waypaper/changer.py
+++ b/waypaper/changer.py
@@ -12,12 +12,16 @@ def change_wallpaper(image_path: str, cf: Config, monitor: str, txt: Chinese|Eng
     try:
         # swaybg backend:
         if cf.backend == "swaybg":
-            fill = cf.fill_option.lower()
+
+            # Kill previous swaybg instances:
             try:
+                subprocess.check_output(["pgrep", "swaybg"], encoding='utf-8')
                 subprocess.Popen(["killall", "swaybg"])
                 time.sleep(0.005)
-            except Exception as e:
-                print(f"{txt.err_kill} {e}")
+            except subprocess.CalledProcessError:
+                pass
+
+            fill = cf.fill_option.lower()
             command = ["swaybg"]
             # if monitor != "All":
                 # command.extend(["-o", monitor])
@@ -28,6 +32,22 @@ def change_wallpaper(image_path: str, cf: Config, monitor: str, txt: Chinese|Eng
 
         # swww backend:
         elif cf.backend == "swww":
+
+            # Check with pgrep if other backends they are running, and kill them
+            # Because swaybg and hyprpaper are known to conflict with swww
+            try:
+                subprocess.check_output(["pgrep", "swaybg"], encoding='utf-8')
+                subprocess.Popen(["killall", "swaybg"])
+                time.sleep(0.005)
+            except subprocess.CalledProcessError:
+                pass
+            try:
+                subprocess.check_output(["pgrep", "hyprpaper"], encoding='utf-8')
+                subprocess.Popen(["killall", "hyprpaper"])
+                time.sleep(0.005)
+            except subprocess.CalledProcessError:
+                pass
+
             fill_types = {
                     "fill": "crop",
                     "fit": "fit",
@@ -36,16 +56,13 @@ def change_wallpaper(image_path: str, cf: Config, monitor: str, txt: Chinese|Eng
                     "tile": "no",
                     }
             fill = fill_types[cf.fill_option.lower()]
+
+            # Check if swww-deamon is already running. If not, launch it:
             try:
-                if "swaybg" in cf.installed_backends:
-                    subprocess.Popen(["killall", "swaybg"])
-                    time.sleep(0.005)
-                if "hyprpaper" in cf.installed_backends:
-                    subprocess.Popen(["killall", "hyprpaper"])
-                    time.sleep(0.005)
-            except Exception as e:
-                print(f"{txt.err_kill} {e}")
-            subprocess.Popen(["swww-daemon"])
+                subprocess.check_output(["pgrep", "swww-daemon"], encoding='utf-8')
+            except subprocess.CalledProcessError:
+                subprocess.Popen(["swww-daemon"])
+
             command = ["swww", "img", image_path]
             command.extend(["--resize", fill])
             command.extend(["--fill-color", cf.color])
diff --git a/waypaper/translations.py b/waypaper/translations.py
index 74ebdec..8f48c74 100644
--- a/waypaper/translations.py
+++ b/waypaper/translations.py
@@ -39,7 +39,6 @@ class English:
         self.err_wall = "Error changing wallpaper:"
         self.err_notsup = "The backend is not supported:"
         self.err_disp = "Error determining monitor names:"
-        self.err_kill = "Warning related to killall:"
 
         self.tip_refresh = "Recache the folder of images"
         self.tip_fill = "Choose fill type"
@@ -89,7 +88,6 @@ class German:
         self.err_wall = "Fehler beim Ändern des Hintergrundbildes:"
         self.err_notsup = "Das folgende Backend wird nicht unterstützt:"
         self.err_disp = "Fehler beim Ermitteln der Monitor-Namen:"
-        self.err_kill = "Warnung im Zusammenhang mit dem Befehl killall:"
 
         self.tip_refresh = "Erneutes einlesen des Hintergrundbild-Ordners"
         self.tip_fill = "Skalierungsart auswählen"
@@ -139,7 +137,6 @@ class French:
         self.err_wall = "Erreur lors du changement de papier peint :"
         self.err_notsup = "Le backend n'est pas pris en charge :"
         self.err_disp = "Erreur lors de la détermination des noms des moniteurs :"
-        self.err_kill = "Avertissement lié à killall :"
 
         self.tip_refresh = "Recréer le dossier d'images"
         self.tip_fill = "Choisir le type de remplissage"
@@ -189,7 +186,6 @@ class Polish:
         self.err_wall = "Błąd podczas zmiany tapety:"
         self.err_notsup = "Backend nie jest obsługiwany:"
         self.err_disp = "Błąd podczas określania nazw monitorów:"
-        self.err_kill = "Ostrzeżenie związane z poleceniem killall:"
 
         self.tip_refresh = "Odśwież folder z obrazami"
         self.tip_fill = "Wybierz typ wypełnienia"
@@ -239,7 +235,6 @@ class Russian:
         self.err_wall = "Ошибка при смене обоев:"
         self.err_notsup = "Бэкенд не поддерживается:"
         self.err_disp = "Ошибка определения названий мониторов:"
-        self.err_kill = "Предупреждение связанное с killall:"
 
         self.tip_refresh = "Обновить папку с изображениями"
         self.tip_fill = "Выбрать тип заполнения"
@@ -289,7 +284,6 @@ class Chinese:
         self.err_wall = "更改壁纸时出错："
         self.err_notsup = "不支持后端："
         self.err_disp = "确定监视器名称时出错："
-        self.err_kill = "与killall相关的警告："
 
         self.tip_refresh = "重新缓存图像文件夹"
         self.tip_fill = "选择填充类型"