Avast causes BSOD if Secure Virtual Machines is checked

glnz

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In my Win 7 Pro 64-bit machine, if I modify or clean-install (customized) Avast and check "Secure Virtual Machines", I get BSOD (blue screen of death) on reboot.

For the details, please see my post on Avast Forums:

https://forum.avast.com/index.php?topic=185324.0

Thanks.
 

My Computer My Computer

At a glance

Dual boot - Win 10 Pro 64-bit (good) and Win ...Intel Core i5 3470 @ 3.2GHz16GB RAM DDR3 (Four x 4GB)Intel HD Graphics (on the CPU)
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Dell Optiplex 7010 MT
OS
Dual boot - Win 10 Pro 64-bit (good) and Win 7 Pro 64-bit (won't boot on the NVMe)
CPU
Intel Core i5 3470 @ 3.2GHz
Motherboard
Dell 0GY6Y8 - what would the Intel number be? - Q77 chipset
Memory
16GB RAM DDR3 (Four x 4GB)
Graphics Card(s)
Intel HD Graphics (on the CPU)
Sound Card
Realtek High Definition Audio - and Intel Display Audio
Monitor(s) Displays
Dell E176FP - nothing fancy
Screen Resolution
1280 x 1024 @ 60 Hz
Hard Drives
Now a Samsung 970 EVO Plus SSD NVMe, which works for the Win 10 only

Used to be two 500GB WDC WD5000AAKX (SATA @ 6GB/sec)

- External WD My Book 1110 USB device
PSU
What means PSU? I'm at sea level
Cooling
Ice cubes
Keyboard
Noisy
Mouse
Micky
Internet Speed
Verizon FIOS 500 Mbps (was 1Gbps but I can't type that fast)
Antivirus
Win 10 Windows Defender - Win 7 Avast Free
Browser
Firefox only with lots of security drives my wife crazy
Other Info
Also I still have an old but important XP SP3 machine that can run - Optiplex 755 Desktop w 4GB RAM and Momentus XT hybrid HD-SSD 500 GB hard drive. Used the registry hack to get more updates through "XP Embedded" or "POS" so now the machine rings like a cash register and the CD drawer opens to give change.

My Computer My Computer

At a glance

Desk1 7 Home Prem / Desk2 10 Pro / Main lap A...Desk1 i5 3750K / Laptop i7 GTX 860M / Desk2 i...Desk1 8GB (1866) / Desk2 16GB (1333) / Laptop...Desk 1& 2NVidia GTX 650 & Laptops on board Intel
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Own build (new) Desk1 / Asus ROG Win 7 / Desk2 1st build
OS
Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
CPU
Desk1 i5 3750K / Laptop i7 GTX 860M / Desk2 i5 2500
Motherboard
Desk1 Asus P877-V / Desk2 Gigabyte H67 UD3H / Laptop ?
Memory
Desk1 8GB (1866) / Desk2 16GB (1333) / Laptop 8Gb DDR3
Graphics Card(s)
Desk 1& 2NVidia GTX 650 & Laptops on board Intel
Sound Card
Desk 1 & 2 -XONAR DG Realtek High Def audio Laptop
Monitor(s) Displays
Desk 1 Benq HD 2450 / Desk2 Philips 24" / Laptop 17.5"
Screen Resolution
1920x1080 D1 & D2 & Laptop 1
Hard Drives
Desk1 Samsung 120GB 830 SSD
Asus ROG 256GB 850 Pro SSD
Desk2 Samsung 840 256 SSD
Toshiba 120GB EVO
PSU
Desk 1 Corsair HX 1050/ Laptop ? / Desk 2 Corsair HX 650
Case
Desk 1 Cooler HAF XM ? Toshiba laptop / Desk2 Coolermaster
Cooling
Fans on all Desk1 -2 Desk2 - all Coolermasters 5 Laptop ?
Keyboard
Desk 1 MS Sidewinder X6 Desk 2 MS Sidewinder X 4
Mouse
Desk 1&2 - Gigabyte MS 900 gamer - laptop - Logitec wireless
Internet Speed
ADSL2+
Other Info
One other Desktop (tester) and spare Toshba laptop both with SSD's
Running Kaspersky 2016 ISS on all machines config'd identically
Logitec audio stereo systems on each machine (x3)
Canon MG5250MFC
Router/modem TP-Link running WPA2SK
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