Issue depiction: NET Framework 3.5 can’t be introduced on a PC running Windows 10 or Windows 8/8.1 and the establishment of the NET Framework 3.5 is ended with blunder code 0x800f081f: “Windows couldn’t total the asked for changes. Windows couldn’t discover expected documents to finish the asked for changes. Ensure you ‘re associated with Internet, and attempt once more.”

How to FIX: Error 0x800f081f during NET FRAMEWORK 3.5 installation.

Note: Apply the techniques beneath just in the event that you confront the blunder 0x800f081f, in the wake of empowering the .Net Framework 3.5 component from Windows Features. (Control Panel – > Programs and highlights – > Turn Windows includes on or off.)

Method 1. Remove .NET FRAMEWORK 4.7 and then Install .NET FRAMEWORK 3.5.

  1. Open Programs and Features and afterward click Turn Windows includes on or off.
  2. Uncheck the .NET Framework 4.7 checkbox and snap OK to evacuate the most recent introduced variant of NET FRAMEWORK.
  1. Open Programs and Features and afterward click Turn Windows includes on or off.
  2. Uncheck the .NET Framework 4.7 checkbox and snap OK to evacuate the most recent introduced rendition of NET FRAMEWORK.
  3. At the point when the evacuation procedure, empower the .NET Framework 3.5 and click OK.
  4. Adhere to the on screen directions to download to introduce the .NET FRAMEWORK 3.5.
  5. In the event that the establishment is finished this time without issues, re-empower the NET Framework

Method 2. Install NET FRAMEWORK 3.5 using DISM.

Prerequisites: In request to fix the “Net Framework 3.5 establishment mistake 0x800f081f” you require a Windows establishment media. On the off chance that you don’t claim a Windows establishment media, run the Microsoft’s Media Creation instrument and download a duplicate of your Windows form in an ISO organize. In direction provoke type the accompanying order and press Enter: *

  1. Join (or mount the Windows.ISO) the establishment media to your PC.
  2. Open Windows Explorer and note the drive letter of the Windows media.
  3. Open Command Prompt as Administrator. To do that:
  • At the “seek box” type cmd or direction provoke.
  • Right snap at Command Prompt outcome and select Run as head.
  1. In direction provoke type the accompanying order and press Enter: *
  • DISM/Online/Enable-Feature/FeatureName:NetFx3/All/LimitAccess/Source:X:\sources\sxs


Note: Replace the “X” letter on the above order concurring the drive letter of the Windows media. (for example On the off chance that the Windows Media drive letter is “E” you need to type: “DISM/Online/Enable-Feature/FeatureName:NetFx3/All/LimitAccess/Source:E:\sources\sxs”

Method 3. Install NET FRAMEWORK 3.5 from PowerShell.

Prerequisites: In request to tackle the “Net Framework 3.5 establishment blunder 0x800f081f” you require a Windows establishment media. On the off chance that you don’t possess a Windows establishment media, run the Microsoft’s Media Creation apparatus and download a duplicate of your Windows form in an ISO organize.

1. Join (or mount the Windows.ISO) the establishment media to your PC. 2. Open PowerShell as Administrator. To do that:
  • At the “seek box” type powershell.
  • Right snap at Windows PowerShell result and select Run as head.
3. At PowerShell give the accompanying direction and press Enter.
  • Empower WindowsOptionalFeature – Online – FeatureName “NetFx3” – Source X:\sources\sxs – LimitAccess

Note: Replace the “X” letter on the above order concurring the drive letter of the Windows Installation media.

Method 4. Repair Windows 10.

The last strategy to determine the .NET Framework 3.5 0x800f081f establishment mistake, is to fix Windows 10 with In-Place Upgrade.

That is all people! Did it work for you?

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