Apps not available in the AMI

Hi everyone,

I need your support for following situation.

I have installed Shotgrid Desktop, but the installed apps are not available on the browser and I am getting this error in the SG Desktop Console:

2023-02-01 08:40:50,011 [ WARNING] dropping connection to peer tcp4:127.0.0.1:53429 with abort=True: WebSocket opening handshake timeout (peer did not finish the opening handshake in time)
2023-02-01 08:40:50,043 [CRITICAL] Unhandled Error
Traceback (most recent call last):
  File "C:\Program Files\Shotgun\Python3\lib\threading.py", line 917, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Program Files\Shotgun\Resources\Desktop\Python\bundle_cache\app_store\tk-framework-desktopserver\v1.6.0\python\tk_framework_desktopserver\server.py", line 187, in start
    reactor.run(installSignalHandlers=0)
  File "C:\Program Files\Shotgun\Resources\Desktop\Python\bundle_cache\app_store\tk-framework-desktopserver\v1.6.0\resources\python\src\3.9\twisted\internet\base.py", line 1318, in run
    self.mainLoop()
  File "C:\Program Files\Shotgun\Resources\Desktop\Python\bundle_cache\app_store\tk-framework-desktopserver\v1.6.0\resources\python\src\3.9\twisted\internet\base.py", line 1328, in mainLoop
    reactorBaseSelf.runUntilCurrent()
---  ---
  File "C:\Program Files\Shotgun\Resources\Desktop\Python\bundle_cache\app_store\tk-framework-desktopserver\v1.6.0\resources\python\src\3.9\twisted\internet\base.py", line 994, in runUntilCurrent
    call.func(*call.args, **call.kw)
  File "C:\Program Files\Shotgun\Resources\Desktop\Python\bundle_cache\app_store\tk-framework-desktopserver\v1.6.0\resources\python\src\3.9\txaio\_common.py", line 136, in _notify_bucket
    notify_one_chunk(calls, self._chunk_size, max(0.0, delay_ms))
  File "C:\Program Files\Shotgun\Resources\Desktop\Python\bundle_cache\app_store\tk-framework-desktopserver\v1.6.0\resources\python\src\3.9\txaio\_common.py", line 130, in notify_one_chunk
    raise RuntimeError(msg)
builtins.RuntimeError: Error(s) processing call_later bucket:
'NoneType' object has no attribute 'shutdown'

Any suggestion would be very appreciated!

Many thanks,
Laura

Sometimes restarting SG desktop (and making sure there is just 1 instance running), then hitting refresh a few times on the browsers makes it load.