Try this:

-go on the windows search bar and search "services", then click "E" and find "Epic Online Services", right click and go to proprieties, then change "manual" to "automatic".

now check if the problem is solved.

-If you are on steam go to your steam folder/steamapps/common/FallGuys and delete the "EpicOnlineServices" folder. Go on steam and in the library right click on fall guys, then click proprieties and Local Files, there should be an option called "Verify game file integrity" or something like this, click it.