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Groups > alt.comp.os.windows-11 > #28032

Re: Do I need Controlled Folder Access

Cross-posted to 2 groups.

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Paul wrote:
> On Sun, 12/7/2025 12:51 AM, micky wrote:
>
>>
>> I missed the fine print.  It says I have to have a personal microft
>> account with a microsoft-365 personal or family subsciption.   But in
>> win11, I'm using Windows Defender without microsoft-365!!!!
>
> I made a CoPilot question out of this, as follows.
> You should not have to reinstall Windows Defender.
> The Security panel should indicate that the thing is running again.
>
> *******
>
> CoPilot Question:
>
> I am trying to understand some Windows Security items in Windows 11.
>
> This appears to be Windows Defender.
>
> %ProgramFiles%\Windows Defender
>   MsMpEng.exe
>   MpCmdRun.exe
>
> Is the following item the "Windows Security" panel ?
>
> Get-AppxPackage *Microsoft.SecHealthUI*
>
> When a person installs AVG Free, some registry location is
> set, indicating to Windows Defender that it is not needed
> for real time scanning of files.
>
> When AVG Free is removed, does MSMpEng start scanning
> again all on its own ?
>
> Does "Windows Defender" need to be reset, to make MsMpEng.exe work
> again ?
>
> What are the user responsibilities, for this sort of transition?
> (Windows Defender to AVG Free and back to Windows Defender only
> again.)
>
> ******************************
>
> CoPilot Answer:
>
> **Quick Answer:**
>
> Yes, `Get-AppxPackage *Microsoft.SecHealthUI*` refers to the
> **Windows Security app** (the panel you see in Settings). When you
> install a third-party antivirus like AVG Free,
> Windows Defender (Microsoft Defender Antivirus) disables its
> real-time protection automatically.
> Once AVG is uninstalled, **MsMpEng.exe (Antimalware Service
> Executable)** resumes
> scanning on its own -  no manual reset is required. Your
> responsibility is mainly to
> ensure that either AVG or Defender is active, updated, and not left
> disabled during
> the transition.
>
> ### Breaking Down the Components
>
> - **MsMpEng.exe**
>  - This is the **Antimalware Service Executable**, the core scanning
>     engine of Microsoft Defender Antivirus. It runs background scans
> and provides real-time protection.
>
> - **MpCmdRun.exe**
>  - A command-line utility for Microsoft Defender. It lets
>    administrators run scans, update signatures, and configure
> Defender manually.
>
> - **Microsoft.SecHealthUI**
>  - This package is the **Windows Security app** (formerly called
>    Windows Defender Security Center). It provides the graphical
>    dashboard where you manage antivirus, firewall, and other
> protection settings.
>
> ### Behavior with Third-Party Antivirus (AVG Free)
>
> - **Automatic Disable:**
>  When AVG Free is installed, Windows Defender detects it via
>  registry/Windows Security Center integration and **turns off its
> real-time scanning** to avoid conflicts.
>
> - **Automatic Re-Enable:**
>  Once AVG Free is uninstalled, Windows Defender **reactivates
>  automatically**. MsMpEng.exe resumes scanning without requiring a
> reset or manual intervention.
>
> - **No Reset Needed:**
>  You don't need to "reset" Defender. The service is designed to
>  monitor the system state and re-enable itself when no other
> antivirus is present.
>
> ### User Responsibilities During Transition
>
> 1. **Verify Protection Status:**
>   - After uninstalling AVG, open the **Windows Security app** to
>     confirm that Microsoft Defender Antivirus is active.
>
>   - Check that real-time protection is turned on.
>
> 2. **Update Signatures:**
>   - Ensure Defender updates its virus definitions (done automatically
> via Windows Update).
>
> 3. **Avoid Gaps in Coverage:**
>   - Don't leave the system without any antivirus.
>     Make sure Defender is active immediately after removing AVG.
>
> 4. **Optional Manual Scan:**
>   - Run a full scan with Defender after uninstalling AVG to ensure no
>     threats slipped through during the transition.
>
> ### Summary
>
> - **Yes**, `Microsoft.SecHealthUI` is the Windows Security panel.
> - **Yes**, MsMpEng.exe resumes scanning automatically after AVG is
> removed.
> - **No reset is required**-Defender is self-managing.
> - **Your role** is simply to confirm Defender is active, updated, and
> performing scans after the switch.
>
> https://www.geeksforgeeks.org/techtips/how-to-stop-antimalware-service-executable-from-high-cpu-disk-usage/
> https://wphtaccess.com/2025/08/13/stop-or-remove-antimalware-service-executable-on-windows-11/
>
>   Paul

START "" /WAIT "C:\Program Files\Windows 
Defender\MpCmdRun.exe" -SignatureUpdate -MMPC
START "" /WAIT "C:\Program Files\Windows Defender\MpCmdRun.exe" -Scan -1
Echo off
cls

if %errorlevel%==0 goto :NoThreats
if %errorlevel%==2 goto :ThreatsFound
:NoThreats
Echo No Threats.
goto :gotoend

:ThreatsFound
Echo Threats Found.
goto :gotoend

:gotoend
Pause

I do not know if this batch does any good but I have it as an icon on my 
desktop and it is the first thing I run when I start my computer.  It is 
quicker than opening Windows Security.  I am lazy.
-- 
<Bill>

Brought to you from Anchorage, Alaska 

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Thread

Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 12:56 -0500
  Re: Do I need Controlled Folder Access Andy Burns <usenet@andyburns.uk> - 2025-12-02 18:15 +0000
    Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 13:25 -0500
      Re: Do I need Controlled Folder Access Andy Burns <usenet@andyburns.uk> - 2025-12-02 20:51 +0000
        Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 21:05 -0500
          Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-03 01:28 -0500
            Re: Do I need Controlled Folder Access Paul <nospam@needed.invalid> - 2025-12-03 02:43 -0500
              Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-07 00:20 -0500
                Re: Do I need Controlled Folder Access Paul <nospam@needed.invalid> - 2025-12-07 01:27 -0500
                Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-07 08:52 -0500
                Desktop Monitors (was: Re: Do I need Controlled Folder Access) Lars Poulsen <lars@beagle-ears.com> - 2025-12-07 14:18 +0000
                Re: Desktop Monitors Paul <nospam@needed.invalid> - 2025-12-07 13:52 -0500
                Re: Desktop Monitors Lars Poulsen <lars@beagle-ears.com> - 2025-12-08 00:52 +0000
                Re: Desktop Monitors rbowman <bowman@montana.com> - 2025-12-08 01:26 +0000
            Re: Do I need Controlled Folder Access ...w¡ñ§±¤ñ  <winstonmvp@gmail.com> - 2025-12-03 11:00 -0700
              Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-07 00:46 -0500
                Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-07 00:51 -0500
                Re: Do I need Controlled Folder Access Paul <nospam@needed.invalid> - 2025-12-07 02:27 -0500
                Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-07 03:45 -0500
                Re: Do I need Controlled Folder Access ...w¡ñ§±¤ñ <winstonmvp@gmail.com> - 2025-12-13 01:07 -0700
                Re: Do I need Controlled Folder Access Paul <nospam@needed.invalid> - 2025-12-07 04:20 -0500
                Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-07 08:34 -0500
                Re: Do I need Controlled Folder Access "Bill Bradshaw" <bradshaw@gci.net> - 2025-12-07 13:14 -0900
  Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 13:23 -0500
    Re: Do I need Controlled Folder Access Paul <nospam@needed.invalid> - 2025-12-02 15:01 -0500
      Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 21:08 -0500
  Re: Do I need Controlled Folder Access ...w¡ñ§±¤ñ  <winstonmvp@gmail.com> - 2025-12-02 18:00 -0700
    Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 21:03 -0500
    Re: Do I need Controlled Folder Access micky <NONONOmisc07@fmguy.com> - 2025-12-02 23:09 -0500

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