I'm having the exact same problem, except when i do try to create a backup as instructed in the link (on my USB). I still get the error when I try to start up the sims 4. I save the sims 4 folder from documents into my USB and then I name the folder in my documens "The Sims 4_Backup" but I still get the same error, please help ☹️
I have the exact same results, I did as it said with making a backup folder of the folder in my USB drive, then I renamed the folder in Documents/Electronic Arts to 'The Sims 4_Backup' and still got the same error. If someone would reply to this with a solution that WILL work with this, please do.
