How to solve the problem to start the sims 4

Jonnes_Jonnitos​  The next question is where Documents directory is located in your main account.  (Your computer has several Documents folders, but for each account, Windows designates only one as the directory.)  Search in Windows for Command Prompt, open it, and enter this command:

reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v "Personal"

Please post the result here.  You can write [username] instead of your actual username if you want, but leave the rest intact.

The point is that if this is in an incorrect location, that could cause the error.  And even if it's in the right location, some of the ways to try to fix it require knowing the full path to the folder.