Fix Net Framework 3.5 설치 오류 in 8 Easy Steps

Introduction

.NET Framework 3.5 is a software platform that is required by many applications and programs to run on Windows operating systems. However, users may encounter an error message when trying to install .NET Framework 3.5, which can be frustrating. Fortunately, there are several steps you can take to resolve this issue and successfully install .NET Framework 3.5 on your computer.

Step-by-Step Guide to Fix .NET Framework 3.5 Installation Error

Step 1: Check for Prerequisites Ensure that the prerequisites for installing .NET Framework 3.5 are met. These include having Windows Update enabled and installing the latest Windows updates. Additionally, make sure that you have administrator privileges on your computer. Step 2: Enable .NET Framework 3.5 in Windows Features Go to Control Panel > Programs > Programs and Features > Turn Windows features on or off. Find .NET Framework 3.5 in the list, check the box next to it, and click OK. Restart your computer after the installation is complete. Step 3: Download and Install .NET Framework 3.5 Offline Installer If enabling .NET Framework 3.5 in Windows Features does not resolve the issue, download the .NET Framework 3.5 offline installer from the Microsoft website. Run the installer and follow the on-screen instructions to complete the installation. Step 4: Use DISM Command Open an elevated Command Prompt by typing "cmd" in the Windows search bar and selecting "Run as administrator." Type the following command and press Enter: ``` DISM /Online /Enable-Feature /FeatureName:NetFX3 /All /Source:C:\sources\sxs ``` Replace "C:\sources\sxs" with the path to the Windows installation media or ISO file. Step 5: Run the System File Checker Open an elevated Command Prompt and type the following command: ``` sfc /scannow ``` Press Enter and allow the System File Checker to scan and repair any corrupted system files, including those related to .NET Framework. Step 6: Install .NET Framework 3.5 Redistributable Download the .NET Framework 3.5 Redistributable package from the Microsoft website. Run the installer and follow the on-screen instructions to complete the installation. Step 7: Troubleshoot Using Event Viewer If you continue to encounter errors, open Event Viewer by typing "eventvwr" in the Windows search bar and selecting "Event Viewer (Local)." Check the "Windows Logs" section for any errors related to .NET Framework 3.5 installation. Step 8: Contact Microsoft Support If none of the above steps resolve the issue, you may need to contact Microsoft Support for further assistance. Provide them with the details of the error message you are encountering and any troubleshooting steps you have already taken.

Net Framework 3.5 설치 오류