Resolve Task Manager process might continue to run in background after app is closed


The issue of Task Manager being unable to terminate processes using the [X] button persists in Windows 11 Insider Preview Build 28000 and KB5070300 Windows 11 Insider Dev and Beta build 26220.7070 (25H2).

We can still use CFR RKey: 4188347533 and 1318466191 to fix the issue where Task Manager cannot terminate the process using the [X] button.

Currently, most people accept using [End Task] button, CMD commands or even less efficient BAT scripts to terminate the taskmgr.exe process. Therefore, I don't think Microsoft will fix this problem very quickly.
 

My Computer

System One

  • OS
    Windows 11, version 25H2 (26200)
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 9950X 16-Core Processor
    Motherboard
    ASRock B650M PG Riptide
    Memory
    DDR5-6000 (CL36) 64.0 GB
    Graphics Card(s)
    NVIDIA GeForce RTX 4090
    PSU
    1200W
    Case
    Phanteks Enthoo Pro 2
    Cooling
    Noctua NH-D12L
Resolve Task Manager [X] button issue in Windows 11 Insider Preview Build 28000 requires enabling another CFR Key (CFR RKey: 4027031693).

Code: 
Windows Registry Editor Version 5.00
# Resolve Task Manager process might continue to run in background after app is closed
# Undo - Delete HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\14 Registry Key and restore default values.
# You will need to open CMD as administrator. Type the following command in CMD to Undo:
# REG DELETE "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\14" /f

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\14]

# KB5067036 CU Main Feature Bundle, Enable Most features. ViVetool ID: 57048231 (CFR RKey: 1318466191)
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\14\1318466191]
"EnabledState"=dword:00000002
"EnabledStateOptions"=dword:00000000

# [Task Manager] Fixed: Some apps might unexpectedly not be grouped with their processes (Require 1318466191). ViVetool ID: 49407484 (CFR RKey: 4188347533)
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\14\4188347533]
"EnabledState"=dword:00000002
"EnabledStateOptions"=dword:00000000

# Addressing the requirement for a CFR Key in Windows 11 Insider Preview Build 28000 that Task Manager cannot terminate the process using the [X] button. ViVetool ID: 45036792 (CFR RKey: 4027031693)
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\FeatureManagement\Overrides\14\4027031693]
"EnabledState"=dword:00000002
"EnabledStateOptions"=dword:00000000
 

My Computer

System One

  • OS
    Windows 11, version 25H2 (26200)
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 9950X 16-Core Processor
    Motherboard
    ASRock B650M PG Riptide
    Memory
    DDR5-6000 (CL36) 64.0 GB
    Graphics Card(s)
    NVIDIA GeForce RTX 4090
    PSU
    1200W
    Case
    Phanteks Enthoo Pro 2
    Cooling
    Noctua NH-D12L
@uncyler825.......... I'll wait. I just don't like messing with the registry to solve a current problem when it could break with another update.
 

My Computers

System One System Two

  • OS
    Windows 11 Home 25H2 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion TP01-2xxx
    CPU
    AMD Ryzen 3 5300G
    Memory
    8gb
    Graphics Card(s)
    Radeon Graphics 4.00GHZ
    Monitor(s) Displays
    ViewSonic
    Keyboard
    HP
    Mouse
    wireless Microsoft
    Browser
    FireFox
    Antivirus
    Avira
  • Operating System
    Updated Windows 10 to 11 25H2 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP
    CPU
    Intel Core i3 8100 @3.60 GHz
    Motherboard
    HP 8653 (U3E1)
    Memory
    8.GB
    Graphics card(s)
    Intel UHD 360 (HP)
    Sound Card
    Realtek High Def
    Monitor(s) Displays
    ViewSonic
    Other Info
    #3 System: HP laptop Windows 25H2 11Pro 26200.7840
Jacee said:
@uncyler825.......... I'll wait. I just don't like messing with the registry to solve a current problem when it could break with another update.
Click to expand...

You can stay at 26200.6901 and wait for the November 11th security update. :-)

There are no Task Manager issues in versions 26200.6901 or earlier.
 

My Computer

System One

  • OS
    Windows 11, version 25H2 (26200)
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 9950X 16-Core Processor
    Motherboard
    ASRock B650M PG Riptide
    Memory
    DDR5-6000 (CL36) 64.0 GB
    Graphics Card(s)
    NVIDIA GeForce RTX 4090
    PSU
    1200W
    Case
    Phanteks Enthoo Pro 2
    Cooling
    Noctua NH-D12L
If no solution works, you can also create a scheduled task which kills task manager every 1 hour for example, until they release a new update.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei MateBook D15
    CPU
    Ryzen 5 3500U
    Memory
    8GB
    Graphics Card(s)
    Vega 8
    Screen Resolution
    FHD
    Hard Drives
    256GB Samsung SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    ESET Smart Security Premium
  • Operating System
    Windows 10 Enterprise LTSC 21H2
    Computer type
    Laptop
    Manufacturer/Model
    MSI GS73 6RF Stealth Pro
    CPU
    intel core i7 6700HQ
    Memory
    16GB
    Graphics card(s)
    Nvidia Geforce GTX1060 (6GB)
    Screen Resolution
    FHD
    Hard Drives
    128GB SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
The KB5068861 (26200.7167+) security update released on November 11 should completely resolve this issue.
 

My Computer

System One

  • OS
    Windows 11, version 25H2 (26200)
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 9950X 16-Core Processor
    Motherboard
    ASRock B650M PG Riptide
    Memory
    DDR5-6000 (CL36) 64.0 GB
    Graphics Card(s)
    NVIDIA GeForce RTX 4090
    PSU
    1200W
    Case
    Phanteks Enthoo Pro 2
    Cooling
    Noctua NH-D12L
Sheikh said:
If no solution works, you can also create a scheduled task which kills task manager every 1 hour for example, until they release a new update.
Click to expand...
Why? I don't call the Taskmanager a thousand times during a session.... Once a session will do and you have only to fire 1 command. No need to schedule this. And anyway the Vivetool option also resolves the issue immediately.

ViVeTool.exe /enable /id:57048231
ViVeTool.exe /enable /id:49407484

MS forgot to implement this during their last update (26200.7019) It will be corrected anyways with the next upcoming update anyways on 11-11-2025 with 26200.7167 according to uncyler825. And... It's a annoyance. Yes. But the problem is not as such that the issue eats up all of your memory... :eek1:... :LOL::LOL:
 

My Computer

System One

  • OS
    Win 11 Pro "25H2" Build 26200.8524, Zorin OS Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self built
    CPU
    Intel® Core™ i7-12700KF 12th Gen.
    Motherboard
    ASUS Prime Z690-A, BIOS v4505
    Memory
    32GB DDR5 5600-36 Vengeance
    Graphics Card(s)
    PCIe4.0 Asus NVIDIA RTX3060Ti
    Sound Card
    Onboard; Realtek
    Monitor(s) Displays
    34" LG 34UC79G-B Curved 21:9 144Hz
    Screen Resolution
    2560x1080 (No HDR)
    Hard Drives
    250Gb Samsung 870PRO NVMe (Win 11 Pro)
    1Tb Samsung 980PRO NVMe
    1Tb Samsung 970EVO NVMe
    2Tb Samsung 990PRO NVMe with heatsink.
    4Tb WDC WD40EZRZ Blue SATA (Int.)
    4Tb WDC WD40EZRZ Blue SATA (Int.)
    3Tb WDC WD30EFRZ Red SATA (Int.)
    256Gb Samsung 840PRO SSD (RHEL 9,5)
    256Gb Samsung 850PRO SSD (Zorin OS Pro 18)
    PSU
    Coolermaster 850W V2 Gold with internal 12cm exaust fan
    Case
    Be-Quiet Pure Base 600.
    Cooling
    3x Be-Quiet! 12/14cm "Silent Wings 4" casefans, 1x Arctic Freezer i35 CPU towerblock with fan.
    Keyboard
    Steelseries APEX 7 keyboard.
    Mouse
    Logitech G-502 Hero
    Internet Speed
    1Gb
    Browser
    Brave
    Antivirus
    F-Secure
    Other Info
    No Noise system.
    256Gb Kingston Travler USB 3.0 drive.
    64Gb Sandisk USB 3.2 drive. (Ventoy)
    8Gb Philips USB 3.0 drive. (Win. Inst.)
    8Gb Philips USB 3.0 drive. (Rescue disk)
    2Tb WD USB 3.0 Passport drive.
    USB Ext. 500Gb WD SATA drive.
    External USB 3.0 C.A. CD/DVD* burner.
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