diff --git a/bauh/commons/system.py b/bauh/commons/system.py
index e75ce501..d2e67220 100644
--- a/bauh/commons/system.py
+++ b/bauh/commons/system.py
@@ -157,18 +157,22 @@ class ProcessHandler:
 
         return process.subproc.returncode is None or process.subproc.returncode == 0
 
-    def handle_simple(self, proc: SimpleProcess) -> Tuple[bool, str]:
+    def handle_simple(self, proc: SimpleProcess, output_handler=None) -> Tuple[bool, str]:
         self._notify_watcher(' '.join(proc.instance.args) + '\n')
 
         output = StringIO()
         for o in proc.instance.stdout:
             if o:
                 line = o.decode()
+
                 output.write(line)
 
                 line = line.strip()
 
                 if line:
+                    if output_handler:
+                        output_handler(line)
+                        
                     self._notify_watcher(line)
 
         output.seek(0)
diff --git a/bauh/gems/arch/controller.py b/bauh/gems/arch/controller.py
index 5f5b1034..9df10d07 100644
--- a/bauh/gems/arch/controller.py
+++ b/bauh/gems/arch/controller.py
@@ -728,7 +728,7 @@ class ArchManager(SoftwareManager):
             try:
                 output_handler = TransactionStatusHandler(watcher, self.i18n, len(repo_pkgs_names), self.logger)
                 output_handler.start()
-                success = handler.handle(pacman.upgrade_several(repo_pkgs_names, root_password), output_handler=output_handler.handle)
+                success = handler.handle_simple(pacman.upgrade_several(repo_pkgs_names, root_password), output_handler=output_handler.handle)
                 output_handler.stop_working()
                 output_handler.join()
 
@@ -741,7 +741,7 @@ class ArchManager(SoftwareManager):
                     disk.save_several(repo_pkgs_names, repo_map=repo_map, overwrite=True, maintainer=None)
 
                 else:
-                    self.logger.error("An error occurred while upgrading repository packages")
+                    self.logger.error("'pacman' returned an unexpected response after upgrading the repository packages")
                     return False
             except:
                 watcher.change_substatus('')
diff --git a/bauh/gems/arch/pacman.py b/bauh/gems/arch/pacman.py
index 71cf11a9..a6777cb6 100644
--- a/bauh/gems/arch/pacman.py
+++ b/bauh/gems/arch/pacman.py
@@ -691,12 +691,8 @@ def list_installed_names() -> Set[str]:
     return {p for p in run_cmd('pacman -Qq').split('\n') if p}
 
 
-def upgrade_several(pkgnames: Iterable[str], root_password: str) -> SystemProcess:
-    cmd = ['pacman', '-S', *pkgnames, '--noconfirm']
-    if root_password:
-        return SystemProcess(new_root_subprocess(cmd, root_password), wrong_error_phrase='warning:')
-    else:
-        return SystemProcess(new_subprocess(cmd), wrong_error_phrase='warning:')
+def upgrade_several(pkgnames: Iterable[str], root_password: str) -> SimpleProcess:
+    return SimpleProcess(cmd=['pacman', '-S', *pkgnames, '--noconfirm'], root_password=root_password)
 
 
 def remove_several(pkgnames: Iterable[str], root_password: str) -> SystemProcess:
diff --git a/bauh/view/qt/prepare.py b/bauh/view/qt/prepare.py
index 19821d72..391a7d22 100644
--- a/bauh/view/qt/prepare.py
+++ b/bauh/view/qt/prepare.py
@@ -236,7 +236,7 @@ class PreparePanel(QWidget, TaskManager):
         lb_icon.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
 
         if icon_path:
-            lb_icon.setPixmap(QIcon(icon_path).pixmap(12, 12))
+            lb_icon.setPixmap(QIcon(icon_path).pixmap(14, 14))
 
         self.table.setCellWidget(task_row, 0, lb_icon)
 
diff --git a/bauh/view/qt/root.py b/bauh/view/qt/root.py
index bab883c5..be75eae9 100644
--- a/bauh/view/qt/root.py
+++ b/bauh/view/qt/root.py
@@ -9,6 +9,7 @@ from bauh.commons.system import new_subprocess
 from bauh.view.core.config import read_config
 from bauh.view.qt.dialog import show_message
 from bauh.view.qt.view_utils import load_resource_icon
+from bauh.view.util import util
 from bauh.view.util.translation import I18n
 
 
@@ -28,7 +29,7 @@ def ask_root_password(context: ApplicationContext, i18n: I18n, app_config: dict
     diag.setStyleSheet("""QLineEdit {  border-radius: 5px; font-size: 16px; border: 1px solid lightblue }""")
     diag.setInputMode(QInputDialog.TextInput)
     diag.setTextEchoMode(QLineEdit.Password)
-    diag.setWindowIcon(load_resource_icon('img/lock.svg', 20, 24))
+    diag.setWindowIcon(util.get_default_icon()[1])
     diag.setWindowTitle(i18n['popup.root.title'])
     diag.setLabelText('')
     diag.setOkButtonText(i18n['popup.root.continue'].capitalize())