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Solved Unable to install .NET Framework 3.5

FeelingMyOats

New Member
I'm at a loss at this point. I could link you all the dozens of web pages I've pored through explaining what to do but that would take up too much space. I've been trying to install 3.5 online for a loooong while now and no method I've tried has worked.

The error codes I got were 0x800F081F or 0x800F0906 every time I tried to install it. I tried this method recently: How to fix 0x800F0906, 0x800F081F, 0x800F0907 error while installing .Net Framework 3.5 or higher version | UDHYAN TIMILSINA But, after I tried using that method, now it's stuck at "searching for required files". I don't get the error codes anymore, but it's literally been stuck at that for over an hour now, so I must have done SOMEthing wrong.

Untitled.jpg

I tried using the DISM command prompts, didn't work. I tried to find and uninstall the KB296xxx updates, but I don't even HAVE those updates to begin with. I've pretty much scoured through Google for the past 2 hours or so but, no dice.

Anyone here able to help me? I had to register here and ask since I didn't know what else to do. But please keep in mind that I'm not by any means experienced with software jargon, so I'd appreciate it if you could explain the solutions to me in a noob-friendly type way. Thank you.
 

My Computer

System One

  • OS
    Windows 8.1

axe0

BSOD Kernel Dump Analyst
VIP Member
Pro User
Can you show the log of the DISM?
Located at C:\Windows\Logs\DISM.

Also, what error does DISM give you exactly?
 

My Computer

System One

  • OS
    Windows 10 Pro
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom build
    CPU
    i5-6500 @3.20GHz
    Motherboard
    Gigabyte B150-HD3P-CF
    Memory
    16GB DDR4 2133 Crucial Ballistix Sport LT
    Graphics Card(s)
    MSI GeForce GTX 1060 GAMING X 6G
    Sound Card
    Built-in
    Monitor(s) Displays
    Liyama ProLite XB2483HSU-B2
    Screen Resolution
    1920 x 1080
    Hard Drives
    Crucial MX200 500GB & Toshiba DT01ACA300 3TB
    PSU
    Corsair RM550x
    Case
    Fractal Design Define S
    Cooling
    Cooler Master TX3 i
    Keyboard
    Func KB-460 (MX Red)
    Mouse
    Corsair Gaming M65 RGB
    Browser
    Google Chrome
    Antivirus
    Bitdefender Total Security 2017 + MBAM Pro + MBAE Pro
    Other Info
    Creative Sound Blaster Tactic3D Rage V2 headset

axe0

BSOD Kernel Dump Analyst
VIP Member
Pro User
I'm not seeing anything odd.
Could you try in admin prompt the follow command:
Dism.exe /online /Cleanup-Image /StartComponentCleanup&sfc/scannow&Dism /Online /Cleanup-Image /RestoreHealth&sfc/scannow&pause

Please post the errors given.

For the 4th step it may take a while to finish and will look like its stuck, let it run and reboot after it has finished.

Edit: check if you have update KB3022345 installed.
 

My Computer

System One

  • OS
    Windows 10 Pro
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom build
    CPU
    i5-6500 @3.20GHz
    Motherboard
    Gigabyte B150-HD3P-CF
    Memory
    16GB DDR4 2133 Crucial Ballistix Sport LT
    Graphics Card(s)
    MSI GeForce GTX 1060 GAMING X 6G
    Sound Card
    Built-in
    Monitor(s) Displays
    Liyama ProLite XB2483HSU-B2
    Screen Resolution
    1920 x 1080
    Hard Drives
    Crucial MX200 500GB & Toshiba DT01ACA300 3TB
    PSU
    Corsair RM550x
    Case
    Fractal Design Define S
    Cooling
    Cooler Master TX3 i
    Keyboard
    Func KB-460 (MX Red)
    Mouse
    Corsair Gaming M65 RGB
    Browser
    Google Chrome
    Antivirus
    Bitdefender Total Security 2017 + MBAM Pro + MBAE Pro
    Other Info
    Creative Sound Blaster Tactic3D Rage V2 headset

FeelingMyOats

New Member
Okay I'll try that. And no, I don't have that update installed. Should I? Because it's not available in the Windows Update in control panel either.

Edit: Should I input the commands the exact same way as you did? Forgive me, I don't really use command prompts often.

Edit #2: I inputted the commands in the same way you did, and I got error 0x800f0806. "The operation could not be completed due to pending operations." Now it's doing a system scan.

Edit #3:
So this is what happened:

Untitledlena.jpg
 
Last edited:

My Computer

System One

  • OS
    Windows 8.1

KYHI

Well-Known Member
Pro User
this is running through the process twice (the break down)

Dism.exe /online /Cleanup-Image /StartComponentCleanup
sfc /scannow
Dism /Online /Cleanup-Image /RestoreHealth
sfc /scannow
pause

You can install NET3 by inserting your setup media into a drive and typing this command
In the command below K is the drive letter to my setup media - change letter to match yours
Also all commands need to be run from a command prompt (admin)

Dism /online /enable-feature /featurename:NetFx3 /Source:K:\sources\sxs /all /LimitAccess
 

My Computer

System One

  • OS
    Windows 3.1 > Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Dell XPS 8700
    CPU
    I7
    Memory
    24 GB

KYHI

Well-Known Member
Pro User
right now it was looking for and trying to download the NET3 files from windows update - thus the long wait...

LET the commands you ran finish...

The windows 8.1 Installation setup media already has the needed files on it..

You can download a create windows 8.1 setup media > Create installation media for Windows 8.1 - Windows Help
 

My Computer

System One

  • OS
    Windows 3.1 > Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Dell XPS 8700
    CPU
    I7
    Memory
    24 GB

KYHI

Well-Known Member
Pro User
yes it finished and yes download the setup media..
then you can enable net3 features via the cmd
 

My Computer

System One

  • OS
    Windows 3.1 > Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Dell XPS 8700
    CPU
    I7
    Memory
    24 GB

Cliff S

Missing my GIF avatars:(
Pro User
You can install NET3 by inserting your setup media into a drive and typing this command
In the command below K is the drive letter to my setup media - change letter to match yours
Also all commands need to be run from a command prompt (admin)

Dism /online /enable-feature /featurename:NetFx3 /Source:K:\sources\sxs /all /LimitAccess

A note on that Source:K- you must use your install media's drive letter and not the "K" specifically.
 

My Computer

System One

  • OS
    Windows 8.1 Update Pro in Hyper-V/Windows 10 Pro 64 bit
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Cliff's Black & Blue Wonder
    CPU
    Intel Core i9-9900K
    Motherboard
    ASUS ROG Maximus X Hero
    Memory
    32 GB Quad Kit, G.Skill Trident Z RGB Series schwarz, DDR4-3866, 18-19-19-39-2T
    Graphics Card(s)
    ZOTAC GAMING GeForce RTX 2080 Ti AMP! Extreme Edition
    Sound Card
    (1) HD Webcam C270 (2) NVIDIA High Definition Audio (3) Realtek High Definition Audio
    Monitor(s) Displays
    BenQ BL2711U(4K) and a hp 27vx(1080p)
    Screen Resolution
    1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
    Hard Drives
    C: Samsung 960 EVO NVMe M.2 SSD
    E: & O: Libraries & OneDrive-> Samsung 850 EVO 1TB
    D: Hyper-V VM's -> Samsung PM951 Client M.2 512Gb SSD
    G: System Images -> HDD Seagate Barracuda 2TB
    PSU
    Corsair HX1000i High Performance ATX Power Supply 80+ Platinum
    Case
    hanteks Enthoo Pro TG
    Cooling
    Thermaltake Floe Riing RGB TT Premium-Edition 360mm and 3 Corsair blue LED fans
    Keyboard
    Trust GTX THURA
    Mouse
    Trust GTX 148
    Internet Speed
    25+/5+ (+usually faster)
    Browser
    Edge; Chrome; IE11
    Antivirus
    Windows Defender of course & Malwarebytes Anti-Exploit as a
    Other Info
    Router: FRITZ!Box 7490
    Sound system: SHARP HT-SBW460 Dolby Atmos Soundbar
    Webcam: Logitech BRIO ULTRA HD PRO WEBCAM 4K webcam with HDR

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