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My computer became really sluggish after I turned this feature on so had to Regedit the feature to it's death. :)
Thanks for finding the KEY to look for. :)
Hey Shawn, have you thought about sending them an email?
You can tell the team about this problem, as there is an email address at the bottom of the link you posted: Windows Defender System Guard: Making a leap forward in platform security with memory integrity - Microsoft Tech Community - 167303
Windows 10 with Core isolation (VBS)
At Microsoft, we are constantly innovating and raising the bar for security. We invest in next-gen security products, but some of our investments involve transforming the platform itself. Memory integrity protection using virtualization-based security is one of the ways in which we continue to harden the platform against sophisticated attacks. Send us feedback via the Hub, log bugs, and help us make Windows 10 even more secure byemailing our team
Hey Cliff, :)
That's something each person with an issue should do to help make Microsoft aware of it.
I have posted my experience with switching core isolation memory "on" in the Insider thread, but those threads get buried away real quick, so think maybe I post it here, too.
After manually switching the setting to "on", everything looked OK for a while, just "off" switch was greyed of. During the night, when system went to sleep, it froze. After wake (start up really) system resources went crazy (CPU up to 100%) mostly taken by system and diagnostic services.
Symptoms: GSOD (or BSOD - light blue really ) at restart with reference to ACPI.SYS crash dump shows:
Manually switched the setting to "off" by changing the registry key (same as option 2 in this tutorial) and system resources became a bit more available, but still up to 60% CPU, taken by diagnostic and system alone - after couple of restarts that is.Code:Crash dump directories: C:\WINDOWS C:\WINDOWS\Minidump On Sun 15. 04. 2018 00:55:19 your computer crashed or a problem was reported crash dump file: C:\WINDOWS\Minidump\041518-23796-01.dmp This was probably caused by the following module: ntoskrnl.exe (nt+0x112253) Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF8030BA2E57A, 0xFFFF8089609776C8, 0xFFFF808960976F10) Error: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M file path: C:\WINDOWS\system32\ntoskrnl.exe product: Microsoft® Windows® Operating System company: Microsoft Corporation description: NT Kernel & System Bug check description: This indicates that a system thread generated an exception which the error handler did not catch. This appears to be a typical software driver bug and is not likely to be caused by a hardware problem. The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time. On Sun 15. 04. 2018 00:55:19 your computer crashed or a problem was reported crash dump file: C:\WINDOWS\MEMORY.DMP This was probably caused by the following module: ntkrnlmp.exe (nt!memset+0x5055) Bugcheck code: 0x7E (0xFFFFFFFFC0000005, 0xFFFFF8030BA2E57A, 0xFFFF8089609776C8, 0xFFFF808960976F10) Error: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED Bug check description: This bug check indicates that a system thread generated an exception that the error handler did not catch. The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time. -------------------------------------------------------------------------------- Conclusion -------------------------------------------------------------------------------- 2 crash dumps have been found and analyzed. No offending third party drivers have been found. Connsider using WhoCrashed Professional which offers more detailed analysis using symbol resolution. Also configuring your system to produce a full memory dump may help you.
Resource monitor showed, that sleepstudy log was filled and taken resources, so I manually disabled diagnostic (services...), but it came up after some time. This was going on for hours.
Problem resolved after manually triggering sleepstudy with
Generate Sleep Study Report in Windows 10 Windows 10 TutorialsCode:powercfg /sleepstudy
and put system to sleep, then wake it up.
All fine after that
Last edited by AndreTen; 15 Apr 2018 at 13:53.