"Standard hardware security not supported" - How to resolve this?

Hi - I got my acer laptop last week from a family member. I have factory reset the laptop and got the latest windows 11 installed. After a day or two, I get this notification on Microsoft Defender as "Device Security requires action". Upon clicking it, I get a message that says "Standard hardware security not supported". I tried navigating through to some forums and I was able to temporarily resolve the issue by updating regedit values. I also read in some forums that there should be a core isolation option to enable but that is not visible for me. Is there a way other than this to get this resolved? Or should I have to get my laptop replaced?

Accepted answers

Puraw

https://community.acer.com/en/discussion/701184/standard-hardware-security-not-supported-how-to-resolve-this

No, it means that your OEM Windows11 Home was installed with Cloud including a policy blocking some Defender editing options, possibly to enable 3rd-party AV programs to work with defender. You will notice that besides Core Isolation you also get that error when trying to do a Quick virus Scan with Defender. I have a new SwiftX with the same issue and just ignore it as everything else including malware/virus checking works perfectly. If you want Core Isolation, you have to Clean install Windows11 with a USB drive and ISO file as I don't believe that a Reset will reinstall Defender from scratch. You can do a Quick Scan with the command prompt. If you have W11 Pro you can edit that policy with GPedit.

All comments

Puraw

https://community.acer.com/en/discussion/701184/standard-hardware-security-not-supported-how-to-resolve-this

No, it means that your OEM Windows11 Home was installed with Cloud including a policy blocking some Defender editing options, possibly to enable 3rd-party AV programs to work with defender. You will notice that besides Core Isolation you also get that error when trying to do a Quick virus Scan with Defender. I have a new SwiftX with the same issue and just ignore it as everything else including malware/virus checking works perfectly. If you want Core Isolation, you have to Clean install Windows11 with a USB drive and ISO file as I don't believe that a Reset will reinstall Defender from scratch. You can do a Quick Scan with the command prompt. If you have W11 Pro you can edit that policy with GPedit.

naruboi

Thank you so much for this response. I will see what I can do.

Puraw

https://community.acer.com/en/discussion/comment/1261754#Comment_1261754

Try to live with the issue, it does not bother me one bit, Core Isolation uses memory and slows the system down. Originally it was not a default option for Windows security.

AnhEZ28

@naruboi

You can try checking the Windows update. I have the unsupported hardware security message after resetting Windows. I just apply the latest Windows updates, use the laptop for a few days, and somehow the device security tab is back to normal.

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