I don't know how to split the quotes up either
but you could have just answered my questions which would have followed my post without the need to cross reference.
You can still get Win 10 free, so that isn't a problem and it will auto activate.
You can download the ISO to create bootable media using the Download tool now button from -
https://www.microsoft.com/en-gb/software-download/windows10 after reading how to create install media.
With the install media you can either perform a repair or a clean install, but with a repair install, if the freeze is because of what you have installed, then you'll still have the problem.
A repair install doesn't affect your personal stuff or installed programs.
Shane doesn't like Avast at all, although there are others who will swear by it.
I don't think it would be practical to run the machine in Safe Mode with Networking given that it is an intermittent problem, so use the Avast Uninstaller and see how the machine runs with the default Windows Defender.
https://www.avast.com/uninstall-utilityThat may just have been one of its freezes when you tried to view Event Viewer, so you could try that again.
Another source of info can be the reliability history.
Go Start - start to type reliability and press enter when View reliability history comes up.
If that doesn't get you it, you can access it through the Control Panel - System and Security/Review your computer's status > expand Maintenance then click on its link.
In Maintenance, it will also tell you if there are any problems.