App & Browser Control


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rinconmike

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Windows 10 Pro
Got a new surface laptop 7 with the arm processor. I turned on App & Browser Control. It is in the evaluation period. Is there any negative to having this on?
 

My Computer My Computer

At a glance

Windows 10 ProXeon W-11955M64GB, 2x32GB, 3200MHz, ECCRTX A5000
OS
Windows 10 Pro
Computer type
Laptop
Manufacturer/Model
Dell 7760
CPU
Xeon W-11955M
Memory
64GB, 2x32GB, 3200MHz, ECC
Graphics Card(s)
RTX A5000
Screen Resolution
17.3" IPS UHD IR Cam
Hard Drives
Boot Drive PCIe 4.0 Slot: Samsung 2TB PM91A | AHCI in Bios | Two Samsung 2TB 970 EVO Plus
rinconmike said:
Got a new surface laptop 7 with the arm processor. I turned on App & Browser Control. It is in the evaluation period. Is there any negative to having this on?
Click to expand...
No, it should not interfere with anything in evaluation.

Microsoft said:
We start in evaluation mode. This is a period during which Windows tries to determine if you're a good candidate for Smart App Control. If you are a good candidate for Smart App Control, then it will automatically be turned on. If not, it'll be turned off.

Smart App Control won't block anything while it's in evaluation mode....

Note: At this time Smart App Control is only recommended in the North American and European regions.
Click to expand...

What is Smart App Control? - Microsoft Support

Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.
support.microsoft.com support.microsoft.com
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Windows 11 HomeAMD Athlon Silver 3050U8GBRadeon Graphics
    OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23-R9VY
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
    Graphics Card(s)
    Radeon Graphics
    Monitor(s) Displays
    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    UPDATE - 11 April 2026: due to lid hinges starting to break up this laptop has been retired from active duty. The OS with all software and files has been migrated to my System Seven in 'Other systems' to carry on as my general purpose 'main machine'.

    I've now clean installed 25H2 and used Garlin's scripts to update Secure Boot to CA 2023 and revoke the PCA 2011 certificates. It's new role is to test secure boot issues.

    Info for 2021-2026:
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.

  • At a glance

    Windows 11 ProIntel® Core™ i5-520M8GB(integrated graphics) Intel HD Graphics
    Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround.

    In-place upgrade to 22H2 using ISO and a workaround.
    Feature Update to 23H2 by manually installing the Enablement Package.
    In-place upgrade to 24H2 using hybrid 23H2/24H2 install media.
    Upgraded to 25H2 by Enablement Package.

    Also running Insider Experimental 263xx and 29xxx builds and Windows 10 as native boot .vhdx.
  • My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR was a 2-in-1 convertible Lenovo Yoga 11e (1st gen) type 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device. This has now been sold. It has been replaced by my System Eight.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, 1920x1080 touchscreen, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine. As its new home has an existing digital licence for Pro I've been able to upgrade the migrated OS from Home to Pro.
    29 Sept. 2026 Feature Update to 26H2 through Windows Update by setting the Target Release Version for 26H2.

    My SYSTEM EIGHT is a 2-in-1 convertible Lenovo Yoga 11e (5th gen) type 20LN, Celeron N4120, 8GB RAM, 512GB NVMe ssd, a supported device for Windows 11. Currently running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds as native boot vhdx.
If you don't use unsigned 3rd party apps and you've installed all updates after initial use, you may switch SAC On. If you do use un-signed apps SAC may block some portion of the app but it may still function without issues. I keep SAC enabled because it provides essential protection, including malicious use of certain, often unused apps.
learn.microsoft.com

Smart App Control - Windows apps

Overview of Smart App Control, a Windows feature that protects users from untrusted or potentially dangerous code.
learn.microsoft.com
learn.microsoft.com

Application Control for Windows

Application Control restricts which applications users are allowed to run and the code that runs in the system core.
learn.microsoft.com
learn.microsoft.com

Applications that can bypass App Control and how to block them

View a list of recommended block rules, based on knowledge shared between Microsoft and the wider security community.
learn.microsoft.com
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2 26200.9168Intel Core i3-8145U16GB
OS
Windows 11 Pro 25H2 26200.9168
Computer type
Laptop
Manufacturer/Model
Lenovo IdeaPad L340
CPU
Intel Core i3-8145U
Memory
16GB
Hard Drives
500 GB M2 1 TB HDD
Internet Speed
400 MB
Browser
Chrome | Edge
Antivirus
Microsoft Defender | Block unknown executables | Various ASR rules enabled | Smart App Control
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