8 minutes ago, Ray Proudfoot said:

Thanks for the tip about memory integrity but a quick search didn't reveal how ti disable it.

Head into the Device Security panel, "Device Security" tab underneath, "Core isolation details" and there you'll find Memory integrity

 

You could also, alternatively, try another anti-virus suite -- Lots of them offer a trial. A lot of suites according to av-comparatives and av-test perform better than Microsoft's own, both in terms of impact on Windows and game performance but also how effective they are. I know ESET's suite is very low impact. If it still hangs with that, you could probably rule out anti-virus being a factor as a whole. 

Edited December 10, 20232 yr by Sethos

@Sethos, thanks. Just checked and it's already off. Given I've had a clean flight I'd like to keep to the same config for the next few days or until the situation happens again.

I only use this PC for flying and visiting trusted web sites. A virus could only get in via other PCs and I have Avast on those.

Well.

New attack SLAMs into existing and future AMD, Intel and Arm CPUs | Tom's Hardware (tomshardware.com)

LogoFAIL exploit bypasses hardware and software security measures and is nearly impossible to detect or remove | Tom's Hardware (tomshardware.com)

Had Kaspersky which is an awesome app, however I left after Russia took Crimea. Bitdefender since.