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Solved Rufus and Defender complaining.
Well-known member
Pro User
VIP
Downloaded latest Rufus portable 4.112285 to create a Linux Mint bootable USB. It kept failing with an error something like it was being used by another app. Found out that it was Core isolation Memory integrity that was blocking the creation of the bootable USB.
Turned off Memory integrity and Rufus worked.
Has any one else come across this as I don't remember it happening before?
OS
Win 11 Pro
Computer type
Laptop
Manufacturer/Model
ASUS Vivobook
CPU
AMD Ryzen™ 7 7730U
Motherboard
M1605YA
Memory
24GB Dual-Channel DDR4 @ 1596MHz (22-22-22-52)
Graphics Card(s)
512MB ATI AMD Radeon Graphics (ASUStek Computer Inc)
Monitor(s) Displays
Generic PnP Monitor (1920x1200@60Hz) - P1 PLUS (1920x1080@59Hz)
Screen Resolution
1920 X 1200
Hard Drives
953GB Western Digital WD
PSU
45 Watts
Mouse
Lenovo Bluetooth.
Internet Speed
500 Mbps
Browser
Edge
Antivirus
Defender
Operating System
Windows 11
Computer type
Laptop
Manufacturer/Model
ACER NITRO
CPU
AMD Ryzen 7 5800H / 3.2 GHz
Motherboard
CZ Scala_CAS (FP6)
Memory
32 GB DDR4 SDRAM 3200 MHz
Graphics card(s)
NVIDIA GeForce RTX 3060 6 GB GDDR6 SDRAM
Sound Card
Realtek Audio. NVIDIA High Definition Audio
Monitor(s) Displays
15.6" LED backlight 1920 x 1080 (Full HD) 144 Hz
Screen Resolution
1920 x 1080 (Full HD)
Hard Drives
Samsung 970 Evo Plus 2TB NVMe M.2
PSU
180 Watt, 19.5 V
Mouse
Lenovo Bluetooth
Internet Speed
500 Mbps
Browser
Edge
Antivirus
Defender
Microsoft 365 Basic
Pro User
VIP
I appreciate the report, it means, that the Defender has improved and Rufus did not.
OS
Home26H2Can
Computer type
PC/Desktop
CPU
AMD Ryzen 5 8600G (07/24)
Motherboard
ASROCK B650M-HDV/M.2 (07/24) BIOS 4.21 AGESA ComboAM5 1.3.0.1 (04/26)
Memory
2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL36 (07/24)
Graphics Card(s)
ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
Sound Card
Creative Sound BlasterX AE-5 Plus (05/24)
Monitor(s) Displays
24" Philips 24M1N3200ZS/00 (05/24)
Screen Resolution
1920×1080@165Hz via DP1.4
Hard Drives
Kingston KC3000 NVMe 2TB (05/24)
ADATA XPG GAMMIX S11 Pro 512GB (07/19)
PSU
Seasonic Core GM 550 Gold (04/24)
Case
Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
Cooling
Noctua NH-U12S with Noctua NF-P12 (04/24)
Keyboard
HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
Mouse
Logitech M330 Silent Plus (01/26)
Internet Speed
500/100 Mbps via RouterOS (05/21) & TCP Optimizer
Browser
Edge, Brave for YouTube, LibreWolf for FB
Antivirus
NextDNS blocking 1/3 Traffic
Other Info
Phone: Motorola Moto G86 (02/26)
Backup: Hasleo Backup Suite (PreOS)
Headphones: Sennheiser RS170 (09/10)
Chair: Huzaro Force 4.4 Grey Mesh (05/24)
Notifier: Xiaomi Mi Band 9 Milanese (10/24)
FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
Well-known member
Pro User
VIP
Thread Starter
I appreciate the report, it means, that the Defender has improved and Rufus did not.
Yes, Defender was only doing its job but annoyingly quiet. No popup at all warning of the blocking.
OS
Win 11 Pro
Computer type
Laptop
Manufacturer/Model
ASUS Vivobook
CPU
AMD Ryzen™ 7 7730U
Motherboard
M1605YA
Memory
24GB Dual-Channel DDR4 @ 1596MHz (22-22-22-52)
Graphics Card(s)
512MB ATI AMD Radeon Graphics (ASUStek Computer Inc)
Monitor(s) Displays
Generic PnP Monitor (1920x1200@60Hz) - P1 PLUS (1920x1080@59Hz)
Screen Resolution
1920 X 1200
Hard Drives
953GB Western Digital WD
PSU
45 Watts
Mouse
Lenovo Bluetooth.
Internet Speed
500 Mbps
Browser
Edge
Antivirus
Defender
Operating System
Windows 11
Computer type
Laptop
Manufacturer/Model
ACER NITRO
CPU
AMD Ryzen 7 5800H / 3.2 GHz
Motherboard
CZ Scala_CAS (FP6)
Memory
32 GB DDR4 SDRAM 3200 MHz
Graphics card(s)
NVIDIA GeForce RTX 3060 6 GB GDDR6 SDRAM
Sound Card
Realtek Audio. NVIDIA High Definition Audio
Monitor(s) Displays
15.6" LED backlight 1920 x 1080 (Full HD) 144 Hz
Screen Resolution
1920 x 1080 (Full HD)
Hard Drives
Samsung 970 Evo Plus 2TB NVMe M.2
PSU
180 Watt, 19.5 V
Mouse
Lenovo Bluetooth
Internet Speed
500 Mbps
Browser
Edge
Antivirus
Defender
Well-known member
Pro User
VIP
Yeah that's one annoying aspect of Defender. While it works as it should, there is no good place to see all blocks etc...
OS
Win 11 Pro 25H2 26200.8457 / Linux Mint 22.3
Computer type
Laptop
Manufacturer/Model
Lenovo A485
CPU
Ryzen 7 2700U Pro
Motherboard
Lenovo (WiFi/BT module upgraded to Intel Wireless-AC-9260)
Memory
32GB
Graphics Card(s)
iGPU Vega 10
Sound Card
Realtek
Monitor(s) Displays
14" FHD (built-in) + 14" Lenovo Thinkvision M14t (touch+pen) + 32" Asus PB328
Screen Resolution
FHD + FHD + 1440p
Hard Drives
Intel 660p m.2 nVME PCIe3.0 x2 512GB
PSU
125W(Dock)/65W(Travel Adapter)
Keyboard
Thinkpad / Logitech MX Keys
Mouse
Logitech MX Master 2S
Internet Speed
1/1Gbit
Browser
Firefox
Antivirus
Windows Defender
Other Info
SecureBoot: Enabled
TPM2.0: Enabled
AMD-V: Enabled
Operating System
Win 11 Pro 25H2 26200.8521(RP)
Computer type
PC/Desktop
Manufacturer/Model
Custom
CPU
i7-7700k @4.8GHz
Motherboard
Asus PRIME Z270-A
Memory
32GB 2x16GB 2133MHz CL15
Graphics card(s)
EVGA GTX1080Ti FTW 11GB
Sound Card
Integrated
Monitor(s) Displays
32" 10-bit Asus PB328Q
Screen Resolution
WQHD 2560x1440
Hard Drives
512GB ADATA SX8000NP NVMe PCIe Gen 3 x4
PSU
850W
Case
Fractal Design Define 7
Cooling
Noctua NH-D15 chromax.black
Keyboard
Logitech MX Keys
Mouse
Logitech MX Master 2S
Internet Speed
1/1Gbit
Browser
Firefox
Antivirus
Windows Defender
Other Info
AC WiFi Card
Microsoft 365 Basic
Pro User
VIP
Yes, Defender was only doing its job but annoyingly quiet. No popup at all warning of the blocking.
Yeah, one of the main reasons I disable defender, it blocks everything without saying anything.
The point is, that Rufus uses Beta versions, they should have caught it, they are slacking off.
OS
Home26H2Can
Computer type
PC/Desktop
CPU
AMD Ryzen 5 8600G (07/24)
Motherboard
ASROCK B650M-HDV/M.2 (07/24) BIOS 4.21 AGESA ComboAM5 1.3.0.1 (04/26)
Memory
2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL36 (07/24)
Graphics Card(s)
ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
Sound Card
Creative Sound BlasterX AE-5 Plus (05/24)
Monitor(s) Displays
24" Philips 24M1N3200ZS/00 (05/24)
Screen Resolution
1920×1080@165Hz via DP1.4
Hard Drives
Kingston KC3000 NVMe 2TB (05/24)
ADATA XPG GAMMIX S11 Pro 512GB (07/19)
PSU
Seasonic Core GM 550 Gold (04/24)
Case
Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
Cooling
Noctua NH-U12S with Noctua NF-P12 (04/24)
Keyboard
HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
Mouse
Logitech M330 Silent Plus (01/26)
Internet Speed
500/100 Mbps via RouterOS (05/21) & TCP Optimizer
Browser
Edge, Brave for YouTube, LibreWolf for FB
Antivirus
NextDNS blocking 1/3 Traffic
Other Info
Phone: Motorola Moto G86 (02/26)
Backup: Hasleo Backup Suite (PreOS)
Headphones: Sennheiser RS170 (09/10)
Chair: Huzaro Force 4.4 Grey Mesh (05/24)
Notifier: Xiaomi Mi Band 9 Milanese (10/24)
FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
Iv'e had defender flag older versions of rufus but not any current ones. I don't use beta versions of anything.
Just set defender to ignore it.