Hello
As you describe, the August update is the crux of the matter.
Did you download the September update? The patch number is KB5030269. Later updates will fix some issues in previous updates, please try to install if you didn't download.
Install the update manually under this link: Microsoft Update Catalog
Enter the patch number in this box:
Reference: September 12, 2023—KB5030269 (Monthly Rollup) - Microsoft Support
Best regards,
Hania Lian