Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive
This is the most effective way to rule out file corruption without losing your saves. Go to Documents > Electronic Arts . Rename "The Sims 4" folder to "The Sims 4_Old". Launch the game. It will generate a fresh, clean folder.
The EA App itself can hold exclusive access to the configuration parser. This is the most effective way to rule
If resetting the options file does not work, or if the error returns immediately after you change settings, there is a known conflict with certain motherboard and GPU control software. The most common culprit is (specifically the "Eye Rest" or "Gaming Mode" features). This is the most effective way to rule