If users are so paranoid that they worry about a cosmic ray bit flipping their computer into betraying them, they're probably not using a Microsoft account at all with their Windows PC.
If your security requirements are such that you need to worry about legally-issued search warrants, you should not connect your computer to the internet. Especially if it's running Windows.
If your security requirements are such that you need to worry about legally-issued search warrants, you should not connect your computer to the internet. Especially if it's running Windows.