diff --git a/core/models/manage/pydantic_manager.py b/core/models/manage/pydantic_manager.py
index 8e375f2..951c6d9 100644
--- a/core/models/manage/pydantic_manager.py
+++ b/core/models/manage/pydantic_manager.py
@@ -14,13 +14,12 @@ def save_to_sudo_folder(model: BaseModel, filepath: str) -> bool:
     Save model to a sudo-protected file using pkexec.
     """
     try:
-        Path(filepath).parent.mkdir(parents=True, exist_ok=True)
-        
         json_data = model.model_dump_json(indent=2)
+        parent_dir = str(Path(filepath).parent)
         
-        # Use pkexec + tee to write with elevated privileges
+        # Single pkexec call: mkdir + write
         process = subprocess.Popen(
-            ('pkexec', 'tee', filepath),
+            ('pkexec', 'bash', '-c', f'mkdir -p "{parent_dir}" && tee "{filepath}"'),
             stdin=subprocess.PIPE,
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
diff --git a/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py b/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py
index ae2f952..9070b83 100644
--- a/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py
+++ b/core/services/networking/systemwide/encrypted_proxy/configure_singbox.py
@@ -98,12 +98,16 @@ def configure_singbox(
         # parse the link:
         vless = parse_vless_link(validated_data.links)
 
+        logger.info("parsed vlink link!")
+
         # use the parsed link:
         real_config = build_vless_config(
             vless=vless,
             socks5_port=random_port,
             server_ip=validated_data.server_ip
         )
+        if real_config:
+            logger.info("Got the real vless config")
 
     # UNKNOWN
     else:
@@ -114,6 +118,7 @@ def configure_singbox(
     # SAVE REAL CONFIG
     ###################################
     # goes in a sudo protected folder & prompts for password:
+    logger.info("Saving to sudo folder.")
     saved_it = attach_config_to_sudo_folder(
         config_data=real_config,
         sudo_filepath=profile_sudo_filepath,
@@ -169,18 +174,27 @@ def attach_config_to_sudo_folder(
     if shutil.which('pkexec') is None:
         raise CommandNotFoundError('pkexec')
 
+    logger.info("About to save to backup config path")
     backup_path = f'{backup_folder}/backup.conf.bak'
 
-    with open(backup_path, "w") as configuration_file:
-        json.dump(config_data, configuration_file, indent=4)
-
+    try:
+        with open(backup_path, "w") as configuration_file:
+            json.dump(config_data, configuration_file, indent=4)
+        logger.info("Saved to backup config path!")
+    except Exception as e:
+        logger.error(e)
+        return False
+        
     configuration_is_attached = False
     failed_attempt_count = 0
 
     while not configuration_is_attached and failed_attempt_count < 3:
-
-        process = subprocess.Popen(('pkexec', 'install', '-D', backup_path, sudo_filepath, '-o', 'root', '-m', '744'))
-        configuration_is_attached = not bool(os.waitpid(process.pid, 0)[1] >> 8)
+        logger.info(f"Trying attempt {failed_attempt_count} to write to the sudo folder..")
+        try:
+            process = subprocess.Popen(('pkexec', 'install', '-D', backup_path, sudo_filepath, '-o', 'root', '-m', '744'))
+            configuration_is_attached = not bool(os.waitpid(process.pid, 0)[1] >> 8)
+        except Exception as e:
+            logger.error(e)
 
         if not configuration_is_attached:
             failed_attempt_count += 1
diff --git a/core/services/networking/systemwide/encrypted_proxy/singbox_runner.py b/core/services/networking/systemwide/encrypted_proxy/singbox_runner.py
index b4afb54..0726671 100644
--- a/core/services/networking/systemwide/encrypted_proxy/singbox_runner.py
+++ b/core/services/networking/systemwide/encrypted_proxy/singbox_runner.py
@@ -61,8 +61,8 @@ def launch_singbox_binary(profile_id: int) -> Result:
 
     process_id = int(activation_result.data)
 
-    logger.info(f"Waiting 2 seconds to see if the process id {process_id} is still alive..")
-    time.sleep(2)
+    logger.info(f"Waiting 6 seconds to see if the process id {process_id} is still alive..")
+    time.sleep(6)
 
     # Evaluate if running by that exact pid:
     active = pid_tools.is_running(pid=process_id, process_name="sing-box")
diff --git a/core/services/networking/systemwide/encrypted_proxy/vless_config.py b/core/services/networking/systemwide/encrypted_proxy/vless_config.py
index 9f6ea21..144027a 100644
--- a/core/services/networking/systemwide/encrypted_proxy/vless_config.py
+++ b/core/services/networking/systemwide/encrypted_proxy/vless_config.py
@@ -57,7 +57,7 @@ def build_vless_config(vless: dict, socks5_port: int, server_ip: str) -> dict:
             {
                 "type": "vless",
                 "tag": "proxy",
-                "server": server_ip,
+                "server": str(server_ip),
                 "server_port": vless["port"],
                 "uuid": vless["uuid"],
                 "tls": {
diff --git a/core/utils/basic_operations/write_or_read_from_json.py b/core/utils/basic_operations/write_or_read_from_json.py
index e5524ff..8723cd0 100644
--- a/core/utils/basic_operations/write_or_read_from_json.py
+++ b/core/utils/basic_operations/write_or_read_from_json.py
@@ -107,6 +107,11 @@ def get_value_from_json_file(filepath: str, key: str, category: str | None = Non
     data = read_entire_json(filepath)
     
     if category:
+        if isinstance(category, bool):
+            error_msg = f"Error in get_value_from_json_file, category should not be a boolean: {category}"
+            logger.error(error_msg)
+            raise ValueError(error_msg)
+
         if category not in data:
             raise KeyError(f"Category '{category}' not found in JSON file")
         subcategory = data[category]