windows 11 pro "device guard" troubles

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Luigi Ferraris

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Oct 8, 2025, 9:14:16 AM (22 hours ago) Oct 8
to Harbour Users
Hi friends, I have problems with Device Guard on Windows11.
Today, running hbmk2 I get
"'hbmk2.exe' è stato bloccato dai criteri di Device Guard dell'organizzazione."
IOW
"hbmk2.exe' has been blocked by your organization's Device Guard policy."

On the other hand, running a program by prompt, I noticed Dev.Guard use internet to check running program and creates response delay.
I'm thinking to disable Device Guard.

Is there someone can give me some hints, suggestion?

Many thanks in advance
Luigi Ferraris

Luigi Ferraris

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Oct 8, 2025, 1:01:28 PM (18 hours ago) Oct 8
to Harbour Users
For anyone interested, I solved the problem following this procedure  (googling/MSDN)
For Developers Experiencing Problems:
Open the Run dialog box: by pressing Windows key + R.
Type gpedit.msc: and press Enter to open the Group Policy Editor.
Navigate: to Computer Configuration > Administrative Templates > System > Device Guard.
Double-click on "Turn On Virtualization Based Security" .
Set the policy to "Disabled": to avoid potential conflicts with developer tools or apps.
Click "Apply" and then "OK": to save the changes.
Restart your PC: to apply the new settings.

But It can be more complicated. Read about UEFI, etc.
Regards
Luigi
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