Win Update KB5034467 Cumulative Update Preview .NET Framework 3.5 and 4.8.1 (22H2 and 23H2)



 Microsoft Support:

January 23, 2024 - KB5034467 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2​


The January 23, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

Summary​

Security Improvements

There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.

Quality and Reliability Improvements

There are no new Quality and Reliability Improvements in this update.

ASP.NET- Addresses an issue with "System.ArgumentException: Illegal characters in path" in some ASP.Net MVC requests.
.NET Libraries- Addresses an issue where version of the OSS zlib library is out of date.

Known issues in this update​

Microsoft is not currently aware of any issues in this update.

How to get this update​

Install this update

Release ChannelAvailableNext Step
Windows Update and Microsoft UpdateYesGo to Settings > Update & Security > Windows Update. In the Optional updates available area, you’ll find the link to download and install the update.
Windows Update for BusinessYesGo to Settings > Update & Security > Windows Update. In the Optional updates available area, you’ll find the link to download and install the update.
Microsoft Update CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)NoYou can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

File information

For a list of the files that are provided in this update, download the file information for cumulative update.

Prerequisites​

To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.

Restart requirement​

You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.


 Source:

February 13, 2024-KB5034467 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 | Microsoft Support

February 13, 2024-KB5034467 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2
support.microsoft.com support.microsoft.com
devblogs.microsoft.com

.NET Framework January 2024 Cumulative Update Preview - .NET Blog

January 2024 Cumulative Update Preview Updates for .NET Framework.
devblogs.microsoft.com devblogs.microsoft.com
 
Last edited:
Click to expand...
It doesn't break anything. :-)
 

My Computers My Computers

System One System Two

  • At a glance

    Win 11 Home ♦♦♦26300.9550 ♦♦♦♦♦♦♦26H2AMD Ryzen 7 3700XG.Skill (F4-3200C14D-16GTZKW)EVGA RTX 2070 (08G-P4-2171-KR)
    OS
    Win 11 Home ♦♦♦26300.9550 ♦♦♦♦♦♦♦26H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® [May 2020]
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    Asus Pro WS X570-ACE (BIOS 5302)
    Memory
    G.Skill (F4-3200C14D-16GTZKW)
    Graphics Card(s)
    EVGA RTX 2070 (08G-P4-2171-KR)
    Sound Card
    Realtek ALC1220P / ALC S1220A
    Monitor(s) Displays
    Dell U3011 30"
    Screen Resolution
    2560 x 1600
    Hard Drives
    2x Samsung 860 EVO 500GB,
    WD 4TB Black FZBX - SATA III,
    WD 8TB Black FZBX - SATA III,
    DRW-24B1ST CD/DVD Burner
    PSU
    PC Power & Cooling 750W Quad EPS12V
    Case
    Cooler Master ATCS 840 Tower
    Cooling
    CM Hyper 212 EVO (push/pull)
    Keyboard
    Ducky DK9008 Shine II Blue LED
    Mouse
    Logitech Optical M-100
    Internet Speed
    300/300
    Browser
    Firefox (latest)
    Antivirus
    Bitdefender Total Security
    Other Info
    Speakers: Klipsch Pro Media 2.1

  • At a glance

    Windows XP Pro 32bit w/SP3AMD Athlon 64 X2 5000+ (OC'd @ 3.2Ghz)TWIN2X2048-6400C4DHX (2 x 1GB, DDR2 800)EVGA 256-P2-N758-TR GeForce 8600GT SSC
    Operating System
    Windows XP Pro 32bit w/SP3
    Computer type
    PC/Desktop
    Manufacturer/Model
    Built by Ghot® (not in use)
    CPU
    AMD Athlon 64 X2 5000+ (OC'd @ 3.2Ghz)
    Motherboard
    ASUS M2N32-SLI Deluxe Wireless Edition
    Memory
    TWIN2X2048-6400C4DHX (2 x 1GB, DDR2 800)
    Graphics card(s)
    EVGA 256-P2-N758-TR GeForce 8600GT SSC
    Sound Card
    Onboard
    Monitor(s) Displays
    ViewSonic G90FB Black 19" Professional (CRT)
    Screen Resolution
    up to 2048 x 1536
    Hard Drives
    WD 36GB 10,000rpm Raptor SATA
    Seagate 80GB 7200rpm SATA
    Lite-On LTR-52246S CD/RW
    Lite-On LH-18A1P CD/DVD Burner
    PSU
    PC Power & Cooling Silencer 750 Quad EPS12V
    Case
    Generic Beige case, 80mm fans
    Cooling
    ZALMAN 9500A 92mm CPU Cooler
    Keyboard
    Logitech Classic Keybooard 200
    Mouse
    Logitech Optical M-BT96a
    Internet Speed
    300/300
    Browser
    Firefox 3.x ??
    Antivirus
    Symantec (Norton)
    Other Info
    Still assembled, still runs. Haven't turned it on for 15 years?
Installed thanks
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 26H2Intel i9 14900KF64GB Corsair Vengeance RGBMSI 4090 Suprim X
    OS
    Windows 11 26H2
    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 (4K DSR)
    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

  • At a glance

    Windows 11 25H2Intel i7 6800K32GB DDR4 (Corsair)ASUS GTX 1080ti
    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
All good here.

Have a great day.

Regards,
Phil
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro Version 25H2 (Build 26200.9457)Intel i7-9700K 4700 MHz32 GB (4 x 8GB SK Hynix DDR4 @1333 MHz) (2666...NVIDIA GeForce RTX 2060 (6 GB) GDDR6 300 MHz
    OS
    Windows 11 Pro Version 25H2 (Build 26200.9457)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8930 SE
    CPU
    Intel i7-9700K 4700 MHz
    Motherboard
    Dell XPS 8930
    Memory
    32 GB (4 x 8GB SK Hynix DDR4 @1333 MHz) (2666 MHz)
    Graphics Card(s)
    NVIDIA GeForce RTX 2060 (6 GB) GDDR6 300 MHz
    Sound Card
    None
    Monitor(s) Displays
    Dell UltraSharp U2518D 25"
    Screen Resolution
    2560 x 1440
    Hard Drives
    NVMe Intel 1024 TB
    Seagate 2 TB, SATA-III
    Western Digital Black 4TB
    PSU
    850 W Gold Standard
    Case
    Dell XPS 8930 Base (Special Edition)
    Cooling
    Air
    Keyboard
    Dell 0G4D2W
    Mouse
    Dell MOCZUL
    Internet Speed
    Download 553 Mbps, Upload 686 Mbps
    Browser
    Google Chrome
    Antivirus
    ESET Smart Security Premium, plus Malwarebytes Premium
    Other Info
    BIOS Version 1.1.31

  • At a glance

    Windows 11 Pro Version 25H2 (Build 26200.9457)i7-9750H 4.5 GHz16 GB (2 x 8GB @ 1333 MHz) DDR4-2666 MHzNVIDIA GeForce 1650 4 GB GDDR5
    Operating System
    Windows 11 Pro Version 25H2 (Build 26200.9457)
    Computer type
    Laptop
    Manufacturer/Model
    Dell XPS 15 7590
    CPU
    i7-9750H 4.5 GHz
    Motherboard
    Dell XPS 15 7590
    Memory
    16 GB (2 x 8GB @ 1333 MHz) DDR4-2666 MHz
    Graphics card(s)
    NVIDIA GeForce 1650 4 GB GDDR5
    Sound Card
    None
    Monitor(s) Displays
    Dell XPS 15 7590, 15.6" InfinityEdge Anti-Glare, Non-Touch
    Screen Resolution
    1920 x 1080
    Hard Drives
    512 GB M.2 PCle NVMe SK Hynix
    PSU
    130W Power Adapter
    Case
    Dell XPS 15 7590
    Cooling
    Air
    Keyboard
    Laptop
    Mouse
    Logitech M510
    Internet Speed
    Download: 400 Mbps, Upload: 203 Mbps
    Browser
    Google Chrome
    Antivirus
    ESET Smart Security Premium, plus Malwarebytes Premium
    Other Info
    BIOS Version 1.35.0
Got it today as an Optional Update. So far so good. :thumbsup:


Screen Shot 01-24-24 at 01.56 PM.JPG
 

My Computer My Computer

At a glance

Windows 11 26H2 Pro (RP 26300.9550)
OS
Windows 11 26H2 Pro (RP 26300.9550)
Computer type
PC/Desktop
Manufacturer/Model
Alienware
This one being offered as an "Optional" update!

1706221686229.png
 

My Computer My Computer

At a glance

Windows 11Intel® Xeon® X5690 3.47GHz Six-CoreG.Skill PC3-12800 1600MHz 24GBNVIDIA GeForce GTX 1050
OS
Windows 11
Computer type
PC/Desktop
Manufacturer/Model
Asus/Custom Build
CPU
Intel® Xeon® X5690 3.47GHz Six-Core
Motherboard
Asus P6T Deluxe v2
Memory
G.Skill PC3-12800 1600MHz 24GB
Graphics Card(s)
NVIDIA GeForce GTX 1050
Sound Card
SoundMAX ADI AD2000B HD Audio
Monitor(s) Displays
Acer T232HL Touch Screen
Screen Resolution
1920 x 1080 @ 60Hz
Hard Drives
6 Crucial MX500 SSD 1TB each.
PSU
Thermaltake Toughpower Gold 850W
Case
Thermaltake Armor VA8000SWA
Cooling
Thermaltake Air Cooling System
Keyboard
Illuminated Multimedia LED Keyboard
Mouse
M16 Dual Mode Illuminated Mouse - Bluetooth / 2.4 GHz Mode
Internet Speed
800 Mbps
Browser
Edge / Opera / Vivaldi / Chrome / Firefox / Brave
Antivirus
Windows Defender Security
Almost there...

1706223427184.png

And it is done!

1706223685999.png
 

My Computer My Computer

At a glance

Windows 11Intel® Xeon® X5690 3.47GHz Six-CoreG.Skill PC3-12800 1600MHz 24GBNVIDIA GeForce GTX 1050
OS
Windows 11
Computer type
PC/Desktop
Manufacturer/Model
Asus/Custom Build
CPU
Intel® Xeon® X5690 3.47GHz Six-Core
Motherboard
Asus P6T Deluxe v2
Memory
G.Skill PC3-12800 1600MHz 24GB
Graphics Card(s)
NVIDIA GeForce GTX 1050
Sound Card
SoundMAX ADI AD2000B HD Audio
Monitor(s) Displays
Acer T232HL Touch Screen
Screen Resolution
1920 x 1080 @ 60Hz
Hard Drives
6 Crucial MX500 SSD 1TB each.
PSU
Thermaltake Toughpower Gold 850W
Case
Thermaltake Armor VA8000SWA
Cooling
Thermaltake Air Cooling System
Keyboard
Illuminated Multimedia LED Keyboard
Mouse
M16 Dual Mode Illuminated Mouse - Bluetooth / 2.4 GHz Mode
Internet Speed
800 Mbps
Browser
Edge / Opera / Vivaldi / Chrome / Firefox / Brave
Antivirus
Windows Defender Security
I have issues with KB5034467. Caused the explorer.exe to keep crash in Windows menu. was unable to load anything from menu as it woudl crash seconds later. took me a few hours of trying different things nearly at point of windows reinstall. but uninstall of KB5034467 resolved issue. i have event logs showing this
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
Tablet
Manufacturer/Model
Dell 7320 detachable
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