diff --git a/client/ayon_core/cli.py b/client/ayon_core/cli.py
index e97b8f1c5a..0a9bb2aa9c 100644
--- a/client/ayon_core/cli.py
+++ b/client/ayon_core/cli.py
@@ -43,7 +43,8 @@ class AliasedGroup(click.Group):
               help="Enable debug")
 @click.option("--verbose", expose_value=False,
               help=("Change AYON log level (debug - critical or 0-50)"))
-def main_cli(ctx):
+@click.option("--force", is_flag=True, hidden=True)
+def main_cli(ctx, force):
     """AYON is main command serving as entry point to pipeline system.
 
     It wraps different commands together.
@@ -55,17 +56,24 @@ def main_cli(ctx):
             print(ctx.get_help())
             sys.exit(0)
         else:
-            ctx.invoke(tray)
+            ctx.forward(tray)
 
 
 @main_cli.command()
-def tray():
+@click.option(
+    "--force",
+    is_flag=True,
+    help="Force to start tray and close any existing one.")
+def tray(force):
     """Launch AYON tray.
 
     Default action of AYON command is to launch tray widget to control basic
     aspects of AYON. See documentation for more information.
     """
-    Commands.launch_tray()
+
+    from ayon_core.tools.tray import main
+
+    main(force)
 
 
 @main_cli.group(help="Run command line arguments of AYON addons")
diff --git a/client/ayon_core/cli_commands.py b/client/ayon_core/cli_commands.py
index 9d871c54b1..8ae1ebb3ba 100644
--- a/client/ayon_core/cli_commands.py
+++ b/client/ayon_core/cli_commands.py
@@ -13,12 +13,6 @@ class Commands:
 
     Most of its methods are called by :mod:`cli` module.
     """
-    @staticmethod
-    def launch_tray():
-        from ayon_core.tools.tray import main
-
-        main()
-
     @staticmethod
     def publish(
         path: str,
diff --git a/client/ayon_core/tools/stdout_broker/broker.py b/client/ayon_core/tools/stdout_broker/broker.py
index 4f7118e2a8..c449fa7df9 100644
--- a/client/ayon_core/tools/stdout_broker/broker.py
+++ b/client/ayon_core/tools/stdout_broker/broker.py
@@ -8,7 +8,7 @@ from datetime import datetime
 import websocket
 
 from ayon_core.lib import Logger
-from ayon_core.tools.tray.webserver import HostMsgAction
+from ayon_core.tools.tray import HostMsgAction
 
 log = Logger.get_logger(__name__)
 
diff --git a/client/ayon_core/tools/tray/__init__.py b/client/ayon_core/tools/tray/__init__.py
index 9dbacc54c2..2e179f0620 100644
--- a/client/ayon_core/tools/tray/__init__.py
+++ b/client/ayon_core/tools/tray/__init__.py
@@ -1,21 +1,21 @@
-from .webserver import HostMsgAction
-from .addons_manager import TrayAddonsManager
+from .structures import HostMsgAction
 from .lib import (
     TrayState,
     get_tray_state,
     is_tray_running,
     get_tray_server_url,
+    make_sure_tray_is_running,
     main,
 )
 
 
 __all__ = (
     "HostMsgAction",
-    "TrayAddonsManager",
 
     "TrayState",
     "get_tray_state",
     "is_tray_running",
     "get_tray_server_url",
+    "make_sure_tray_is_running",
     "main",
 )
diff --git a/client/ayon_core/tools/tray/lib.py b/client/ayon_core/tools/tray/lib.py
index e13c682ab0..c26f4835b1 100644
--- a/client/ayon_core/tools/tray/lib.py
+++ b/client/ayon_core/tools/tray/lib.py
@@ -7,12 +7,13 @@ import subprocess
 import csv
 import time
 import signal
+import locale
 from typing import Optional, Dict, Tuple, Any
 
 import ayon_api
 import requests
 
-from ayon_core.lib import Logger
+from ayon_core.lib import Logger, get_ayon_launcher_args, run_detached_process
 from ayon_core.lib.local_settings import get_ayon_appdirs
 
 
@@ -50,7 +51,8 @@ def _get_server_and_variant(
 def _windows_pid_is_running(pid: int) -> bool:
     args = ["tasklist.exe", "/fo", "csv", "/fi", f"PID eq {pid}"]
     output = subprocess.check_output(args)
-    csv_content = csv.DictReader(output.decode("utf-8").splitlines())
+    encoding = locale.getpreferredencoding()
+    csv_content = csv.DictReader(output.decode(encoding).splitlines())
     # if "PID" not in csv_content.fieldnames:
     #     return False
     for _ in csv_content:
@@ -122,6 +124,11 @@ def _wait_for_starting_tray(
         if data.get("started") is True:
             return data
 
+        pid = data.get("pid")
+        if pid and not _is_process_running(pid):
+            remove_tray_server_url()
+            return None
+
         if time.time() - started_at > timeout:
             return None
         time.sleep(0.1)
@@ -274,7 +281,12 @@ def remove_tray_server_url(force: Optional[bool] = False):
     except BaseException:
         data = {}
 
-    if force or not data or data.get("pid") == os.getpid():
+    if (
+        force
+        or not data
+        or data.get("pid") == os.getpid()
+        or not _is_process_running(data.get("pid"))
+    ):
         os.remove(filepath)
 
 
@@ -344,12 +356,61 @@ def is_tray_running(
     return state != TrayState.NOT_RUNNING
 
 
-def main():
+def make_sure_tray_is_running(
+    ayon_url: Optional[str] = None,
+    variant: Optional[str] = None,
+    env: Optional[Dict[str, str]] = None
+):
+    """Make sure that tray for AYON url and variant is running.
+
+    Args:
+        ayon_url (Optional[str]): AYON server url.
+        variant (Optional[str]): Settings variant.
+        env (Optional[Dict[str, str]]): Environment variables for the process.
+
+    """
+    state = get_tray_state(ayon_url, variant)
+    if state == TrayState.RUNNING:
+        return
+
+    if state == TrayState.STARTING:
+        _wait_for_starting_tray(ayon_url, variant)
+        state = get_tray_state(ayon_url, variant)
+        if state == TrayState.RUNNING:
+            return
+
+    args = get_ayon_launcher_args("tray", "--force")
+    if env is None:
+        env = os.environ.copy()
+    
+    # Make sure 'QT_API' is not set
+    env.pop("QT_API", None)
+
+    if ayon_url:
+        env["AYON_SERVER_URL"] = ayon_url
+
+    # TODO maybe handle variant in a better way
+    if variant:
+        if variant == "staging":
+            args.append("--use-staging")
+
+    run_detached_process(args, env=env)
+
+
+def main(force=False):
     from ayon_core.tools.tray.ui import main
 
     Logger.set_process_name("Tray")
 
     state = get_tray_state()
+    if force and state in (TrayState.RUNNING, TrayState.STARTING):
+        file_info = get_tray_file_info() or {}
+        pid = file_info.get("pid")
+        if pid is not None:
+            _kill_tray_process(pid)
+        remove_tray_server_url(force=True)
+        state = TrayState.NOT_RUNNING
+
     if state == TrayState.RUNNING:
         print("Tray is already running.")
         return
diff --git a/client/ayon_core/tools/tray/webserver/structures.py b/client/ayon_core/tools/tray/structures.py
similarity index 100%
rename from client/ayon_core/tools/tray/webserver/structures.py
rename to client/ayon_core/tools/tray/structures.py
diff --git a/client/ayon_core/tools/tray/addons_manager.py b/client/ayon_core/tools/tray/ui/addons_manager.py
similarity index 100%
rename from client/ayon_core/tools/tray/addons_manager.py
rename to client/ayon_core/tools/tray/ui/addons_manager.py
diff --git a/client/ayon_core/tools/tray/ui/tray.py b/client/ayon_core/tools/tray/ui/tray.py
index 660c61ac94..60c0a63cdb 100644
--- a/client/ayon_core/tools/tray/ui/tray.py
+++ b/client/ayon_core/tools/tray/ui/tray.py
@@ -3,12 +3,11 @@ import sys
 import time
 import collections
 import atexit
-import json
 import platform
 
-from aiohttp.web_response import Response
 import ayon_api
 from qtpy import QtCore, QtGui, QtWidgets
+from aiohttp.web import Response, json_response, Request
 
 from ayon_core import resources, style
 from ayon_core.lib import (
@@ -28,13 +27,13 @@ from ayon_core.tools.utils import (
     WrappedCallbackItem,
     get_ayon_qt_app,
 )
-from ayon_core.tools.tray import TrayAddonsManager
 from ayon_core.tools.tray.lib import (
     set_tray_server_url,
     remove_tray_server_url,
     TrayIsRunningError,
 )
 
+from .addons_manager import TrayAddonsManager
 from .host_console_listener import HostListener
 from .info_widget import InfoWidget
 from .dialogs import (
@@ -91,6 +90,10 @@ class TrayManager:
         self._services_submenu = None
         self._start_time = time.time()
 
+        # Cache AYON username used in process
+        # - it can change only by changing ayon_api global connection
+        #   should be safe for tray application to cache the value only once
+        self._cached_username = None
         self._closing = False
         try:
             set_tray_server_url(
@@ -143,7 +146,7 @@ class TrayManager:
         self._addons_manager.initialize(tray_menu)
 
         self._addons_manager.add_route(
-            "GET", "/tray", self._get_web_tray_info
+            "GET", "/tray", self._web_get_tray_info
         )
 
         admin_submenu = ITrayAction.admin_submenu(tray_menu)
@@ -274,8 +277,12 @@ class TrayManager:
 
         return item
 
-    async def _get_web_tray_info(self, request):
-        return Response(text=json.dumps({
+    async def _web_get_tray_info(self, _request: Request) -> Response:
+        if self._cached_username is None:
+            self._cached_username = ayon_api.get_user()["name"]
+
+        return json_response({
+            "username": self._cached_username,
             "bundle": os.getenv("AYON_BUNDLE_NAME"),
             "dev_mode": is_dev_mode_enabled(),
             "staging_mode": is_staging_enabled(),
@@ -285,7 +292,7 @@ class TrayManager:
             },
             "installer_version": os.getenv("AYON_VERSION"),
             "running_time": time.time() - self._start_time,
-        }))
+        })
 
     def _on_update_check_timer(self):
         try:
diff --git a/client/ayon_core/tools/tray/webserver/__init__.py b/client/ayon_core/tools/tray/webserver/__init__.py
index 93bfbd6aee..c40b5b85c3 100644
--- a/client/ayon_core/tools/tray/webserver/__init__.py
+++ b/client/ayon_core/tools/tray/webserver/__init__.py
@@ -1,10 +1,8 @@
-from .structures import HostMsgAction
 from .base_routes import RestApiEndpoint
 from .server import find_free_port, WebServerManager
 
 
 __all__ = (
-    "HostMsgAction",
     "RestApiEndpoint",
     "find_free_port",
     "WebServerManager",
diff --git a/server/settings/publish_plugins.py b/server/settings/publish_plugins.py
index 36bb3f7340..1ca487969f 100644
--- a/server/settings/publish_plugins.py
+++ b/server/settings/publish_plugins.py
@@ -964,7 +964,8 @@ DEFAULT_PUBLISH_VALUES = {
                     "nuke",
                     "harmony",
                     "photoshop",
-                    "aftereffects"
+                    "aftereffects",
+                    "fusion"
                 ],
                 "enabled": True,
                 "optional": True,