Windows Update Error 0x800f0991


Winston LIM

Member
Local time
7:14 AM
Posts
8
OS
Windows 11
Hi Guys,, I'm facing windows update fail on KB5072033 (26100.7462) is a VM Windows
getting install error -0x800f0991, can anyone guide me how to solve ?
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
Laptop
That error usually indicates corruption of some sort in windows update.

WINDOWS UPDATE PROBLEMS things to try

1. Run troubleshooter-settings-system-troubleshoot-other troubleshooters-windows update-RUN.

2. Reset Windows update using Brink's tutorial Reset Windows Update in Windows 11 Tutorial

3. Open command prompt as administrator. Enter this command.
dism /online /cleanup-image /restorehealth
When complete, Restart computer

Then open command prompt as admin again and run sfc /scannow
Pay attention to the scan results to see if SFC found anything it could not repair

4. CLEAN UP COMPONENT STORE - from command prompt as administrator dism /online /cleanup-image /startcomponentcleanup
Analyze and Clean Up Component Store (WinSxS folder) in Windows 11 Tutorial

5. Do a repair install. This usually works when nothing else will. Repair Install Windows 11 with an In-place Upgrade Tutorial
 

My Computers My Computers

  • At a glance

    Windows 11 Pro 25H2 26200.8875i9-10900 10 core 20 threads32 gbnone-Intel UHD Graphics 630
    OS
    Windows 11 Pro 25H2 26200.8875
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    2x1tb Solidigm m.2 nvme /External drives 512gb Samsung m.2 sata+2tb Kingston m2.nvme
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    #1 Edge #2 Firefox
    Antivirus
    Defender+MWB Premium
  • At a glance

    Windows 11 Pro 24H2 26200.8875AMD Ryzen 7 6800U32 gbintegrated
    Operating System
    Windows 11 Pro 24H2 26200.8875
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink Mini PC SER5
    CPU
    AMD Ryzen 7 6800U
    Memory
    32 gb
    Graphics card(s)
    integrated
    Sound Card
    integrated
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Crucial nvme
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    still too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender
    Other Info
    System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.8875

Latest Support Threads

Back
Top Bottom