I'll give an example of when the System Administrator - Changed settings event appears in the Audit log report, TS1956. This way, I can guide you accordingly. 

Automatic logout when a person leaves without logging out is not the case when the System Administrator's- Changed settings event appears. The event will display in the report if QuickBooks itself changes or adds certain default accounts to the system. See the sample screenshot below for more guidance: 

Additionally, you can refer to this article to learn more about what the audit log can do and how to use it to keep an audit trail: Use the audit log in QuickBooks Online. It includes a detailed explanation about other users such as online banking, import administration, and supports representatives.

Moreover, you can contact our Customer Care Team to know further about the Change settings status. Maybe they can review all the settings on what system admin changed in your account. 

Here's how:

1. Go to the Help menu, then click Contact Us. 
2. Type your concern in the box and tap Let's talk. 
3. Choose either Get a call or Start a chat. 
4. Complete the required data and submit the request.

Make sure to contact them within business hours to ensure a swift response.

To learn more about the Audit log feature, check out these articles: 

• How to view transaction changes in the audit history
• Use the audit log to re-enter deleted transactions

Remember that you're always welcome to comment below if you have other concerns or follow-up questions about monitoring your data in QuickBooks. I'm just around to help. Take care always, TS1956.