Your computer running windows 10 is doing some very strange things with the operating system. you are fairly certain it is not a hardware issue. you need to try to get further insight into what is going on within the operating system. which tool would be best suited for this?

The best tool to use in this situation would be the Event Viewer.

The Event Viewer allows users to see the Administrative events, Windows Logs, Applications and Services Logs, and Subscriptions of your computer.

By having access to these information, you will be able to find what certain events or applications are causing your operating system to act in a strange way.

The answer is the Event Viewer.

Explanation:

You can view log information and find errors in the system.