Re: Error code de4ee14f:29f00e76:00000000:4b0d852b

@doublethoughts  Is there a Sims 4 folder in Documents > Electronic Arts?  If so, please move it to the desktop.  If it copies rather than moving, or you get an error, please stop here and let me know.  Otherwise, try again to play.

If that doesn't help, or there is no Sims 4 folder present, please let me know what antivirus you use.  Please also post the location where the game is currently installed.  Open the EA App game library, click Sims 4, select Manage > View properties, and you'll see it there: