Are you getting a pop up with the error code? The staff can sometimes deduce your issue from these reports if you submit them. Also, you can view what happened at the crash times in the Windows Event Viewer under Windows system logs. Look for critical errors with red icons.
If you don’t have an error code and can’t find the culprit in the event viewer, we could look over a dxdiag.
And just to make sure, are you using any Razer Chroma devices? Those have been creating a lot of issues recently. Known Technical Support Issues - Updated Oct 13, 2021