Windows Update error (Install error - 0x80070643)


coolingwater

New member
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11:01 PM
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Windows 11
Hello everyone,

I would appreciate if you could help me with an issue ive been facing this week. I have been trying to update (Security Intelligence Update for Microsoft Defender Antivirus KB2267602 (Version 1.401.551.0) - Current Channel (Broad) but I keep getting this error "Install error - 0x80070643" (pic attached). I tried to update because i noticed my Windows Security Threat and Virus and threat protection wouldn't turn on. I am not sure if this issue is related but everytime i tried to restart the threat protection, it keeps failing.

I am running windows security along side malwarebytes but have not run in to this issue before. Periodically i would only see a message saying "Page not available, your IT administrator has limited access to some area of this app...", although my windows 11 account is personal and not connected to any university/office account. I have doubled check this prior. Just a side not to this is that i get this message when trying to turn on real-rime protection via Microsoft Defender. I apologies if this isn't related.

Also other error when trying to restart yields a "unexpected error, we ran into a problem..." message.

Some of the fixes i've tried were:
Running dism and sfc scannow and deleting some files in C:\Windows\SoftwareDistribution and restarting the update, just to name a few.

I've run malwarebytes but it did not find any virus/malware, I am not sure what the issue could be. I hope its not a virus/malware but either way I would appreciate any help you may provide.

Thank you for your time.
 

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My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
That error message means: Fatal error during installation.

Try my suggestions at my video.

Here are a few techniques to reset the Windows Update components to fix stuck updates trying to download and install on Windows.

 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion
    CPU
    AMD Ryzen 7 5700G
    Motherboard
    Erica6
    Memory
    Micron Technology DDR4-3200 16GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3060
    Sound Card
    Realtek ALC671
    Monitor(s) Displays
    Samsung SyncMaster U28E590
    Screen Resolution
    3840 x 2160
    Hard Drives
    SAMSUNG MZVLQ1T0HALB-000H1
Hi @FreeBooter, thank you for the response, i appreciate your help.

I have tried the solutions on your video, it still fails at installing with the same error code.

I also can't seem to find KB2267602 (Version 1.401.587.0) on the windows update catalog.

Cheers.
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
Tell you the true, last time i deal with Windows defender not updating, i had to perform in-place upgrade to resolve it.
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion
    CPU
    AMD Ryzen 7 5700G
    Motherboard
    Erica6
    Memory
    Micron Technology DDR4-3200 16GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3060
    Sound Card
    Realtek ALC671
    Monitor(s) Displays
    Samsung SyncMaster U28E590
    Screen Resolution
    3840 x 2160
    Hard Drives
    SAMSUNG MZVLQ1T0HALB-000H1
I am not so computer savvy, but does that mean that I would have to reinstall windows 11?
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
In this video, i will show you how to repair install of Windows 11 by performing an in-place upgrade without losing anything.

 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion
    CPU
    AMD Ryzen 7 5700G
    Motherboard
    Erica6
    Memory
    Micron Technology DDR4-3200 16GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3060
    Sound Card
    Realtek ALC671
    Monitor(s) Displays
    Samsung SyncMaster U28E590
    Screen Resolution
    3840 x 2160
    Hard Drives
    SAMSUNG MZVLQ1T0HALB-000H1
0x80070643
That's a frequent issue on Windows 10, for Defender updates, but I have yet to see this on 11.

But in my case, when I was on 10, it would happen, then when it updates again, no error.

For the other errors, it's possible that it's caused by malware.

I would be suspicious about the "page not available" error. Same for "unexpected error" error message.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro x64 23H2
    Computer type
    PC/Desktop
    CPU
    Ryzen 9 5900X
    Motherboard
    ASRock B550 PG Velocita (UEFI-BIOS 2.40)
    Memory
    16 GB A-Data XPG Spectrix D41
    Graphics Card(s)
    Sapphire Nitro+ Radeon RX 6750 XT
    Monitor(s) Displays
    Alienware AW3423DWF OLED ultrawide
    Hard Drives
    Western Digital Black SN850 1 TB NVMe SSD
    PSU
    eVGA Supernova 750 G3
    Case
    Corsair 275R
    Internet Speed
    VTel FTTH 1 Gb down and 1 Gb up
  • Computer type
    PC/Desktop
    CPU
    Ryzen 7 5800X3D
    Motherboard
    Asus ROG Strix B550-F Gaming (UEFI-BIOS version 3405, which fixes " LogoFail" bug according to Asus)
    Memory
    16 GB
    Graphics card(s)
    Sparkle Titan Arc A770 16 GB
    Hard Drives
    Samsung 970 Pro 512 GB NVMe SSD
    PSU
    eVGA Supernova 650 GQ
    Case
    Fractal Focus G
Hello everyone,

I would appreciate if you could help me with an issue ive been facing this week. I have been trying to update (Security Intelligence Update for Microsoft Defender Antivirus KB2267602 (Version 1.401.551.0) - Current Channel (Broad) but I keep getting this error "Install error - 0x80070643" (pic attached). I tried to update because i noticed my Windows Security Threat and Virus and threat protection wouldn't turn on. I am not sure if this issue is related but everytime i tried to restart the threat protection, it keeps failing.

I am running windows security along side malwarebytes but have not run in to this issue before. Periodically i would only see a message saying "Page not available, your IT administrator has limited access to some area of this app...", although my windows 11 account is personal and not connected to any university/office account. I have doubled check this prior. Just a side not to this is that i get this message when trying to turn on real-rime protection via Microsoft Defender. I apologies if this isn't related.

Also other error when trying to restart yields a "unexpected error, we ran into a problem..." message.

Some of the fixes i've tried were:
Running dism and sfc scannow and deleting some files in C:\Windows\SoftwareDistribution and restarting the update, just to name a few.

I've run malwarebytes but it did not find any virus/malware, I am not sure what the issue could be. I hope its not a virus/malware but either way I would appreciate any help you may provide.

Thank you for your time.
could you resolve the error

0x80070643?​

 

My Computer

System One

  • OS
    Windows 11 Home
    Computer type
    Laptop
could you resolve the error

0x80070643?​

I don't know, except that the error code (I only got that one on 10, so far) seems to mean that the installation was cancelled because another update installation is in progress, such as a CU, for example.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro x64 23H2
    Computer type
    PC/Desktop
    CPU
    Ryzen 9 5900X
    Motherboard
    ASRock B550 PG Velocita (UEFI-BIOS 2.40)
    Memory
    16 GB A-Data XPG Spectrix D41
    Graphics Card(s)
    Sapphire Nitro+ Radeon RX 6750 XT
    Monitor(s) Displays
    Alienware AW3423DWF OLED ultrawide
    Hard Drives
    Western Digital Black SN850 1 TB NVMe SSD
    PSU
    eVGA Supernova 750 G3
    Case
    Corsair 275R
    Internet Speed
    VTel FTTH 1 Gb down and 1 Gb up
  • Computer type
    PC/Desktop
    CPU
    Ryzen 7 5800X3D
    Motherboard
    Asus ROG Strix B550-F Gaming (UEFI-BIOS version 3405, which fixes " LogoFail" bug according to Asus)
    Memory
    16 GB
    Graphics card(s)
    Sparkle Titan Arc A770 16 GB
    Hard Drives
    Samsung 970 Pro 512 GB NVMe SSD
    PSU
    eVGA Supernova 650 GQ
    Case
    Fractal Focus G

My Computer

System One

  • OS
    Windows 11 Pro 23H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Gigabyte
    CPU
    AMD Ryzen 5900X 12-core
    Motherboard
    X570 Aorus Xtreme
    Memory
    64GB Corsair Platinum RGB 3600MHz CL16
    Graphics Card(s)
    MSI Suprim X 3080 Ti
    Sound Card
    Soundblaster AE-5 Plus
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 970 Evo Plus 1TB
    Samsung 870 Evo 4TB
    Samsung T7 Touch 1TB
    PSU
    Asus ROG Strix 1000W
    Case
    Corsair D750 Airflow
    Cooling
    Noctua NH-D15S
    Keyboard
    Asus ROG Flare
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    500Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender

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