fix to too many processes

main.py

@@ -1749,8 +1749,6 @@ class ParamSection(QWidget):
         self.dependencies = []
         self.selected_path = None
 
-        # Load the mne data in a seperate process
-        self.file_executor = concurrent.futures.ProcessPoolExecutor(max_workers=1)
 
         # Title label
         title_label = QLabel(section_data["title"])
@@ -4616,6 +4614,9 @@ class MainApplication(QMainWindow):
         self.setWindowTitle(f"{APP_NAME.upper()}")
         self.setGeometry(100, 100, 1280, 720)
 
+        # Load the mne data in a seperate process
+        self.file_executor = concurrent.futures.ProcessPoolExecutor(max_workers=1)
+
         self.about = None
         self.help = None
         self.optodes = None