This shouldn't be happening! Since when are you facing this issue? Have you tried clearing the cache/cookies of the browser or working on a different recommended browser (Edge/Chrome/Firefox/Safari)?
Please let us know about your observations. Also, provide us with the details of the operating system you're working on and the browsers in which the express is not working.
If possible, please share the console/network logs with us so we can investigate this. (For reference: https://adobe.ly/3xyPqJK)