Insider KB5015818 Windows 11 Insider Release Preview Build 22621.232 22H2 - July 12


UPDATE 7/28:


Hello Windows Insiders, today we’re releasing Windows 11 Build 22621.232 (KB5015818) to Insiders in the Release Preview Channel on Windows 11, version 22H2.

Release notes will be posted when made available by Microsoft.


Check Windows Updates


UUP Dump:

64-bit ISO download:
Select language for Windows 11, version 22H2 (22621.232) amd64

ARM64 ISO download: Select language for Windows 11, version 22H2 (22621.232) arm64

 
Last edited:
On the fence about this update, at least until they release notes on what it is.
On 22621.169 and it's been pretty stable with one occasional issue where the PC will black screen and keyboard and mouse are non-functional (even the RGB backlighting on the keyboard/mouse stops working - different mouse brand than keyboard so not blaming the software for those).
 

My Computer

System One

  • OS
    Win 11 23H2 Enterprise
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-Built
    CPU
    Ryzen 9800X3D
    Motherboard
    MSI MAG X870 Tomahawk WiFi
    Memory
    G.Skill Trident Z RGB 6200MT CL30
    Graphics Card(s)
    MSI RTX 5090 Suprim SoC
    Sound Card
    Sound Blaster G8
    Monitor(s) Displays
    LG C2 42 Main Desktop, 3x Gigabyte FI32Q in a triple array for gaming simulations
    Screen Resolution
    3840x2160, 2560x1440 (3)
    Hard Drives
    WD SN850X 2TB M.2 NVME (OS Drive), WD SN850X 2TB M.2 NVME, 2x Crucial 2TB SSD, Crucial 1TB SSD, Seagate Barracuda 2TB HDD
    PSU
    NZXT C1200 Gold ATX 3.1-Fully Modular/Low-Noise-1200 Watts-12V-2x6 Connector-Zero Fan Mode-100% Japanese Capacitors
    Case
    NZXT H7
    Cooling
    EK AIO Elite 360mm Elite
    Keyboard
    Razer Huntsman V3 Pro
    Mouse
    Logitech G502X
    Internet Speed
    1GB
    Browser
    Edge Chromium
    Antivirus
    Windows Defender
Is there an updated SSU associated with this update?
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (Build 26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Pro Max Tower T2 FCT2250
    CPU
    Intel Core Ultra 9 285 5.6 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel Integrated Graphics (128 MB)
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
    1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    1 x 6TB WD Elements AE 2689 External HDD
    PSU
    500 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 022RY57
    BaseBoard Version A01

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (Build 26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Pro Max Tower T2 FCT2250
    CPU
    Intel Core Ultra 9 285 5.6 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel Integrated Graphics (128 MB)
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
    1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    1 x 6TB WD Elements AE 2689 External HDD
    PSU
    500 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 022RY57
    BaseBoard Version A01

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
I was expecting to receive this Release update since recently changing from the Beta to Release Channel as noted here: Leaving the Insider Program After Activating Win 11 Pro

My installed build displays as 22621.290 ni_release (different from the Release build note elsewhere on this thread as
22621.232). My Insider settings is set at Release Preview.

I found these 2 statements on the Insider website: "Note: If you install an Insider Preview build in one channel, and you want to switch to a different channel, you might need to do a clean install of Windows and reset your Windows Insider settings on that device."

"(If your device is currently running a public release of Windows, this will immediately opt you out of getting preview builds. Just restart your device to complete the process.)"

Given the last statement, I assumed that when I Activated my Win 11 Pro for ~$200.00 that I would automatically be opted out of all preview builds and removed from the Insider Program.

Any suggestions?
 

My Computer

System One

  • OS
    Win 11 Pro 25H2 ARM64 (Parallels VM) _ 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    MacBook Pro (13-inch, M1, 2020)
    CPU
    Apple Silicon M1 / 3.20 GHz (4 processors)
    Memory
    16 GB
    Monitor(s) Displays
    13.3-inch (2560 × 1600)
    Antivirus
    N360 for Mac / Win / Win Defender
    Other Info
    Parallels Pro 26.3.3/ macOS Tahoe 26.5
I was expecting to receive this Release update since recently changing from the Beta to Release Channel as noted here: Leaving the Insider Program After Activating Win 11 Pro

My installed build displays as 22621.290 ni_release (different from the Release build note elsewhere on this thread as
22621.232). My Insider settings is set at Release Preview.

I found these 2 statements on the Insider website: "Note: If you install an Insider Preview build in one channel, and you want to switch to a different channel, you might need to do a clean install of Windows and reset your Windows Insider settings on that device."

"(If your device is currently running a public release of Windows, this will immediately opt you out of getting preview builds. Just restart your device to complete the process.)"

Given the last statement, I assumed that when I Activated my Win 11 Pro for ~$200.00 that I would automatically be opted out of all preview builds and removed from the Insider Program.

Any suggestions?
The licence for Windows is independent of Insider version.

You have to wait until RTM version is released to leave withhout doing a clean install.
 

My Computer

System One

  • OS
    Windows 11 Pro + Win11 Canary VM.
    Computer type
    Laptop
    Manufacturer/Model
    ASUS Zenbook 14
    CPU
    I9 13th gen i9-13900H 2.60 GHZ
    Motherboard
    Yep, Laptop has one.
    Memory
    16 GB soldered
    Graphics Card(s)
    Integrated Intel Iris XE
    Sound Card
    Realtek built in
    Monitor(s) Displays
    laptop OLED screen
    Screen Resolution
    2880x1800 touchscreen
    Hard Drives
    1 TB NVME SSD (only weakness is only one slot)
    PSU
    Internal + 65W thunderbolt USB4 charger
    Case
    Yep, got one
    Cooling
    Stella Artois (UK pint cans - 568 ml) - extra cost.
    Keyboard
    Built in UK keybd
    Mouse
    Bluetooth , wireless dongled, wired
    Internet Speed
    900 mbs (ethernet), wifi 6 typical 350-450 mb/s both up and down
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

    Macrium Reflect Home V8
    Office 365 Family (6 users each 1TB onedrive space)
    Hyper-V (a vm runs almost as fast as my older laptop)
Thanks once again regarding leaving the program. However, any ideas why I did not receive the Release update since I changed from Beta to that channel?
 

My Computer

System One

  • OS
    Win 11 Pro 25H2 ARM64 (Parallels VM) _ 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    MacBook Pro (13-inch, M1, 2020)
    CPU
    Apple Silicon M1 / 3.20 GHz (4 processors)
    Memory
    16 GB
    Monitor(s) Displays
    13.3-inch (2560 × 1600)
    Antivirus
    N360 for Mac / Win / Win Defender
    Other Info
    Parallels Pro 26.3.3/ macOS Tahoe 26.5
Thanks once again regarding leaving the program. However, any ideas why I did not receive the Release update since I changed from Beta to that channel?

What build is your PC on?
 

My Computer

System One

  • OS
    Windows 11 25H2 Pro (RP Build 26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Alienware
Windows Build/Version: 22621.290/22H2
 

My Computer

System One

  • OS
    Win 11 Pro 25H2 ARM64 (Parallels VM) _ 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    MacBook Pro (13-inch, M1, 2020)
    CPU
    Apple Silicon M1 / 3.20 GHz (4 processors)
    Memory
    16 GB
    Monitor(s) Displays
    13.3-inch (2560 × 1600)
    Antivirus
    N360 for Mac / Win / Win Defender
    Other Info
    Parallels Pro 26.3.3/ macOS Tahoe 26.5
Windows Build/Version: 22621.290/22H2

Try opting out of all Insider channels, reboot, then sign up again for Release channel and see if it works.
 

My Computer

System One

  • OS
    Windows 11 25H2 Pro (RP Build 26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Alienware
Windows Build/Version: 22621.290/22H2
Can you even do that? I seem to recall something about not being able to switch channels once they builds separated, but that might have been just for switching between beta and dev channels. The release channel is on a build below the beta channel. They're on 22000 while beta is on 22622.

But I'm not sure. I'm certain someone will chime in and make a correction.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2 RP channel
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home built
    CPU
    Ryzen 9 5900X
    Motherboard
    MSI MPG X570S Edge Max WiFi
    Memory
    Corsair Vengeance RGB PRO 64GB (2x32GB) DDR4 3600 (PC4-28800) C18
    Graphics Card(s)
    ASUS GeForce RTX 4070 Super OC 12GB DDR6 / ZOTAC RTX 3060 Twin Edge OC 12GB GDDR6
    Sound Card
    Proprietary on MB / FiiO K5Pro DAC
    Monitor(s) Displays
    ViewSonic XG2530 25"/Benq XL2411P 24"/ ASUS VA24DQSB) 23.8"
    Screen Resolution
    1920x1080 240Hz/144Hz/60Hz (based on monitor setup above)
    Hard Drives
    SK hynix Gold P31 1TB PCIe NVMe Gen3 M.2 2280 Internal SSD
    ADATA XPG SX8200 Pro 1TB
    Samsung SSD 860 EVO 1TB 2.5 Inch SATA III Internal SSD
    PSU
    Corsair RM1000e
    Case
    Phanteks Enthoo Pro Full Tower Chassis with Window
    Cooling
    Corsair iCUE H60i RGB PRO XT Liquid CPU Cooler
    Keyboard
    Corsair K70
    Mouse
    Logitech MX Master 3
    Internet Speed
    ~950Mb/s download / ~700Mb/s upload
    Browser
    Edge (Chromium)
    Antivirus
    Norton 360
  • Operating System
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Built
    CPU
    Ryzen 7 3700X
    Motherboard
    MSI B550 Gaming GEN3 Gaming Motherboard
    Memory
    32MB DDR4
    Graphics card(s)
    I forget, but it's old. I can't see the need to upgrade it.
    Sound Card
    Propietary
    Monitor(s) Displays
    ACER LED 24"
    Screen Resolution
    1920X1080
    Hard Drives
    1TB Samsung SSD 3.5"
    Case
    Corsair
    Cooling
    Stock
    Keyboard
    Logitech
    Mouse
    Logitech
    Internet Speed
    ~750Mb/s download / ~750Mb/s upload
    Browser
    Edge
    Antivirus
    Defender and Malware Bytes
Switching between Beta and Release Channels should be straightforward. Everything displays on the Insider settings section that I am now on the Release Channel but my build is still Beta

From the Insider website:

Switching between channels​

If you've installed an Insider Preview build in the Beta Channel or Release Preview Channel, switching between channels is easy. But if you've installed a build in the Dev Channel, because it's not tied to a specific release, it will depend on your current build and the current flighting build in the channel you want to switch to, as to what steps you will need to perform.

Switching from the Beta Channel or Release Preview Channel​

  1. Go to Settings > Update & Security > Windows Insider Program.
  2. Under Pick your Insider settings, select your current channel to open all the channel options.
  3. Choose the radio button beside the channel you'd like to switch to. Your Settings will update to your new channel.
  4. The next time you receive an update, it will be for your new channel.

I successfully switched but and did not receive the update for my new Release channel.
 

My Computer

System One

  • OS
    Win 11 Pro 25H2 ARM64 (Parallels VM) _ 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    MacBook Pro (13-inch, M1, 2020)
    CPU
    Apple Silicon M1 / 3.20 GHz (4 processors)
    Memory
    16 GB
    Monitor(s) Displays
    13.3-inch (2560 × 1600)
    Antivirus
    N360 for Mac / Win / Win Defender
    Other Info
    Parallels Pro 26.3.3/ macOS Tahoe 26.5
Try opting out of all Insider channels, reboot, then sign up again for Release channel and see if it works.
I might try that later although I will opt-out anyway in Sept/October. I have had no major issues with Beta so I will likely continue with that channel until then. I just do not understand why my channel switch did not occur.
 

My Computer

System One

  • OS
    Win 11 Pro 25H2 ARM64 (Parallels VM) _ 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    MacBook Pro (13-inch, M1, 2020)
    CPU
    Apple Silicon M1 / 3.20 GHz (4 processors)
    Memory
    16 GB
    Monitor(s) Displays
    13.3-inch (2560 × 1600)
    Antivirus
    N360 for Mac / Win / Win Defender
    Other Info
    Parallels Pro 26.3.3/ macOS Tahoe 26.5
Still on 22621.169. CU will not install. Have reset WU, run the Troubleshooter...no dice. Craps out with error 0x800f081f. Appears to DL, appears to install 100%, then fails.
 

My Computer

System One

  • OS
    Win11 Release Beta channel
    Computer type
    PC/Desktop
    Manufacturer/Model
    a cherry-picked assembly
    CPU
    AMD R7 7800X3D
    Motherboard
    MSI x870 Tomahawk Wi-Fi, 8-layer, 2 oz copper, server PCB
    Memory
    GSkill 2x16GB @ 6400MT/s
    Graphics Card(s)
    XFX 9070 XT SWIFT tri-fan (PCIe5.0)
    Sound Card
    Creative Labs G8 USB External Sound device, Gaming DAC, Sound Card & Earphone AMP.. HIGHLY RECOMMENDED, btw. Totally changed my opinion of external USB sound. I like!...;)
    Monitor(s) Displays
    Philips 43" Momentum DisplayHDR 1000-certified
    Screen Resolution
    3840x2160
    Hard Drives
    *Boot: Samsung 980 Pro 2 TB NVMe (PCIe4x4)
    *Samsung 980 EVO NVMe 500GB (PCIe 4x4)
    *Kingston SNV3S2000G 2TB NVMe (PCIe4x4)
    *Samsung 960 EVO 250GB NVMe(PCIe3x2)
    *8TB Toshiba x300 HDD
    *ST4000DM004 S3 4TB HDD
    PSU
    Gigabyte 850W Gold, Rev 2
    Case
    Lian Li Lancool 217, white, with wood trim, very nice looking--tired of black, 5-fans standard
    Cooling
    Air coutesy Lian Li
    Keyboard
    Cherry MX 2.0S RGB
    Mouse
    Razer Basilisk V3 24k DPI
    Internet Speed
    ~950Mbps down and up!
    Browser
    Firefox x64 DE
    Antivirus
    Defender
    Other Info
    Great New system. Exceeds my expectations by quite a bit, btw. I love the USB G8 SoundBlaster, it's quite an improvement over the G6!
Still on 22621.169. CU will not install. Have reset WU, run the Troubleshooter...no dice. Craps out with error 0x800f081f. Appears to DL, appears to install 100%, then fails.

Same problem here. It appears to download, then the install goes 25% >45% >100%. Restarts, the update tries to install but fails, then rolls back. The error in the Windows update is the same code as yours after restarting. I had to use the UUP Dump ISO to get to build 22621.232.

@IanMosley also had a problem so it's not just my PC, looks like a few affected now. Wonder if there's a common thing between the PCs.

Also this post KB5015814 Installation Problems - same error on a different CU and a different version of Windows 🤔
 
Last edited:

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
I just want my FE tabs back. o_O
 

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self Built
    CPU
    Intel Core i9 14900k, Intel UHD 770 integrated
    Motherboard
    Gigabyte Z790 Aorus Master X
    Memory
    32gb G.Skill Trident Z5 7200
    Graphics Card(s)
    Gigabyte RTX 4090 Gaming OC
    Sound Card
    EVGA Nu Audio, Razer Kraken V3 Pro, Realtek Onboard
    Monitor(s) Displays
    Dell U4025QW nano IPS monitor, Samsung Odyssey G75F, Wisecoco 12.6" IPS sensor panel
    Screen Resolution
    5120X2160 x 2 1920x515
    Hard Drives
    WD Black SN8100, Samsung 990 Pro x 3, WD BLACK SN850x, WD Black 8tb HD
    PSU
    FSP Hydro PTM Pro 1350w
    Case
    Thermaltake Level 20 XT
    Cooling
    ARCTIC Liquid Freezer III 420 ARGB in push/pull, Antec Prism X 120mm ARGB Fans x 15
    Keyboard
    Razer Blackwidow V4 Pro
    Mouse
    Razer Basilik V3 Pro on Razer Firefly V2 mouse pad.
    Internet Speed
    950 Mbps cable primary, 6Mbps secondary vdsl
    Browser
    Chrome primary, FF-Edge-IE secondary
    Antivirus
    Norton 360 Premium
    Other Info
    I sit on a Libernovo Omni chair.😍 Sound by Fosi Audio DA-2120C pushing Magnat Series 503 bookshelf speakers and a SVS SB-1000 Pro subwoofer.
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    2023 Acer Predator Helios 18
    CPU
    Intel 14900HX
    Motherboard
    factory
    Memory
    32gb ddr 5 5600
    Graphics card(s)
    Nvidia RTX 4090 mobile
    Sound Card
    onboard
    Monitor(s) Displays
    18" 250hz IPS
    Screen Resolution
    2560X1600
    Hard Drives
    Samsung 9100 Pro, 990 Pro
    PSU
    factory 330W
    Case
    factory
    Cooling
    factory
    Keyboard
    individual key argb
    Mouse
    touchpad
    Internet Speed
    WiFi 7, 2.5gb ethernet
    Browser
    Chrome primary, FF-IE and Edge secondary
    Antivirus
    Norton 360 Premium
    Other Info
    Acer will not allow WD Black SN8100 to function in m.2 slot 0 and Crucial T710 ssd's to function in either slot.
In the Settings App, Accounts, my Office 365 subscription details used to appear just below my account icon. This is no longer shown. Is there anyway top re enable this using the vivetool?
 

My Computers

System One System Two

  • OS
    Windows 11 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom Built
    CPU
    Intel i9 14900KF
    Motherboard
    ASUS Z790 ProArt Creator WiFi
    Memory
    64GB Corsair Vengeance RGB
    Graphics Card(s)
    MSI 4090 Suprim X
    Sound Card
    Onboard
    Monitor(s) Displays
    1 x Asus 24". 1 x Asus 32"
    Screen Resolution
    1920 x 1080 & 2560 x 1440
    Hard Drives
    Multiple
    PSU
    Corsair 1200HX
    Case
    Corsair 7000D RGB
    Cooling
    Corsair H150I Capellix XT
    Keyboard
    Corsair K70 RGB PRO
    Mouse
    Corsair M55 RGB Pro
    Internet Speed
    1000Mbps
    Browser
    Edge
    Antivirus
    Windows Default
  • Operating System
    Windows 11 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom Built
    CPU
    Intel i7 6800K
    Motherboard
    ASUS Z99 Deluxe
    Memory
    32GB DDR4 (Corsair)
    Graphics card(s)
    ASUS GTX 1080ti
    Sound Card
    Onboard
    Monitor(s) Displays
    1x Viewsonic 24" 1x LG 19"
    Screen Resolution
    1920 x 1080 & 1600 x 900
    Hard Drives
    3 x SATA SSD
    PSU
    650W Gigabyte Bronze
    Case
    Coolermaster HAF-X
    Cooling
    Noctua NH-15 Chroma black
    Keyboard
    Generic RGB
    Mouse
    Microsoft Basic
    Internet Speed
    1000Mbps
    Browser
    Edge
    Antivirus
    Windows Default
Same problem here. It appears to download, then the install goes 25% >45% >100%. Restarts, the update tries to install but fails, then rolls back. The error in the Windows update is the same code as yours after restarting. I had to use the UUP Dump ISO to get to build 22621.232.

@IanMosley also had a problem so it's not just my PC, looks like a few affected now. Wonder if there's a common thing between the PCs.

Also this post KB5015814 Installation Problems - same error on a different CU and a different version of Windows 🤔
It looks as though there is a fix on the way for 22H2 from MS -
New Update is not getting installed I don't understand why this error is getting ....tried multiple remedies and hacks but the same error is getting showed

Install error - 0x800f081f
😐



Please guide me
*** Email address is removed for privacy ***
@Shriram kapane,
This looks interesting, according to the Blog, they have a fix in Build 22621.436, perhaps you will have to wait for the same fix.

Announcing Windows 11 Insider Preview Build 22621.436 and 22622.436 | Windows Insider Blog
  • Fixed an issue causing Build 22621.290 / 22622.290 to fail to install with error 0x800f081f for some Insiders.
Courtesy of fg2001, Windows Insider Community
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (Build 26200.8524)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Pro Max Tower T2 FCT2250
    CPU
    Intel Core Ultra 9 285 5.6 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel Integrated Graphics (128 MB)
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
    1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    1 x 6TB WD Elements AE 2689 External HDD
    PSU
    500 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 022RY57
    BaseBoard Version A01
UPDATE:
 

My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender

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