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The main cause of NET Framework errors on Windows, especially Windows 10, is mostly compatibility issues. Below is a list of common .NET Framework errors encountered on computers and their solutions.
Common NET Framework Errors on Computers and How to Fix Them
Common NET Framework Errors on Windows Computers and How to Fix Them
1. Error '0x80070643' or Error '0x643'
NET Framework errors occur during software installation, users may encounter error '0x80070643' or error '0x643' on their screens.
The main cause of NET Framework errors is incorrect file configuration. Some update files are not properly installed during the installation of certain specific software. Additionally, a faulty hard drive can also be the cause of NET Framework errors.
Method 1: Via Microsoft Official Website
The first solution to fix .NET Framework errors on Windows computers is to use the Microsoft Automated Wizard to diagnose and repair errors:
Step 1: Access the Microsoft help page.
Step 2: Search for the error you are encountering.
Step 3: Select Fix MSI to update the faulty registry.
Step 4: Follow the instructions on the screen.
Step 5: Restart your computer to complete the process.
Method 2: Fixing Installation Errors for .NET Framework 4.5
Windows 10 comes with .NET Framework 4.6 pre-installed. If you want to install .NET Framework or cannot install NET Framework 4.5 on Windows 7 / 8, you can follow this method.
- Read more: How to Fix .NET Framework Installation Errors on Win 10, 8, 7
First, use Windows Update to check if your computer has installed updates KB3081448, KB3081449, KB3081452 or not.
Next, follow the steps below to check and fix .NET Framework errors:
Step 1: Adjust the system's .NET Framework version through Registry: Press Windows + R to open the Run window, then type regedit into it and press Enter.
Step 2: In the Registry Editor window, navigate to the key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client
Step 3: In the right pane, find and double-click the Version key and change the value to 4.5.
Step 4: Close the Registry Editor window and proceed to install Autodesk software.
After completing the process, reopen the Registry Editor window and change the previous .NET Framework version.
2. Fixing .NET Framework 0x800736B3 Error on Windows 10
The .NET Framework 0x800736B3 error occurs during the upgrade or update of Windows 10 operating system. Users will receive the error message: 'Reference assembly not installed in the system. Error Code: 0x800736B3'. To resolve this error, you can apply one of the following methods:
Method 1: Uninstalling .NET Framework 3.5 Update
Step 1: Press Windows + I to open the Settings app.
Step 2: Select Updates and Security then choose Update history.
Step 3: At the top of the page, click Uninstall updates and review the list of installed updates.
Step 4: Find the latest cumulative update causing error 0x800736B3.
Step 5: Right-click on it and select Uninstall.
Method 2: Using Group Policy Editor
Step 1: Type gpedit.msc into the Search box on the Start Menu and press Enter.
Step 2: In the Group Policy Editor window, navigate to the key:
Computer Configuration => Administrative Templates => System
Step 3: Next, find the options Specify settings for optional component installation and component repair in the right pane.
Step 4: Set the values of these options to Enabled.
Step 5: Then activate Contact Windows Update directly to download repair content and close the window.
Step 6: Finally, try reinstalling .NET Framework 3.5 to see if the error persists.
Method 3: Using Deployment Image Servicing and Management (DISM) Tool
Step 1: Press Windows + X to open the Power User Menu, then select Command Prompt (Admin).
Step 2: If prompted to enter Admin password or confirm, simply enter the password or select Allow to proceed.
Step 3: Enter the following command into the Command Prompt window and press Enter:
DISM.exe /Online /Cleanup-image /Restorehealth
Step 4: If Windows Updates display corrupted files, you can use a Windows installation disk from a shared network to fix the error. Insert the installation disk and run the following command in the Command Prompt window:
DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess
Note: Replace C:\RepairSource\Windows with the installation path on your computer.
Step 5: Next, enter the command sfc /scannow and press Enter.
Step 6: Finally, close the Command Prompt window and run Windows Updates.
3. Fixing .NET Framework Initialization Error
The .NET Framework Initialization error occurs if your computer has an outdated version of .NET Framework installed, failing to meet the necessary requirements.
Below are some solutions to fix .NET Framework Initialization error.
Method 1: Uninstall and reinstall the latest .NET Framework version on Windows 10
Follow the steps below to install the latest version of .NET Framework on your machine and set it up.
Step 1: Open Control Panel, set the View by option to Small Icons, select Programs and Features, then click on Turn Windows features on or off.
Step 2: Check the box for .NET Framework 4.7 services (or 4.6 on older Windows versions).
Step 3: Click OK.
Finally, restart your computer. Access Programs and Features again, check the box for .NET Framework 4.7 or 4.6, confirm installation, and once the installation process is complete, restart your computer again.
Method 2: Uninstall and reinstall the latest .NET Framework version on Windows 8, 7
On Windows 8 or 7, follow these steps:
Step 1: Open Control Panel, access Programs and Features and uninstall NET Framework.
- Read more: How to uninstall Net Framework, remove Net Framework on your computer
Step 2: Restart your computer.
Step 3: Visit the Microsoft official website, download and install the latest version of .NET Framework.
Finally, restart your computer and check if the .NET Framework error persists.
Method 3: Utilize specialized tools for fixing .NET Framework errors
- Use the .NET Framework Repair Tool:
To use the .NET Framework Repair Tool to fix .NET Framework errors, follow the steps below:
Step 1: Visit the Microsoft official website to download the .NET Framework Repair Tool utility and run the NetFxRepairTool file.
Step 2: Accept the terms, then click Next and wait until the tool checks all installed .NET Framework components.
Step 3: At this point, the screen will display a list of issues, problems with .NET Framework. Click Next to repair and resolve the issues. The process may take some time.
Finally, restart your computer and check if the .NET Framework error persists.
- Use the .NET Framework Setup Verification Tool:
The .NET Framework Setup Verification Tool allows you to check if .NET Framework features are compatible with the Windows version you are using.
Visit the Microsoft official website to download the .NET Framework Setup Verification Tool utility to your computer and install it.
After downloading, installing, and running the tool, select the .NET Framework version you want to check, then click Verify Now. Once the verification is complete, the value in the Current Status box will be refreshed.
- .NET Framework Cleanup Tool:
The .NET Framework Cleanup Tool allows you to completely uninstall the .NET Framework installation from your computer, then reinstall it.
Download the .NET Framework Cleanup Tool to your computer and install it here: Download NET Framework Cleanup Tool
An important note is that the utility does not remove features integrated by Windows. For example, you cannot use the tool to remove NET Framework 4.7 on Windows 10 Creators Update, but you can use the tool to address .NET Framework-related issues on Windows 7.
NET Framework errors are quite frustrating when using a computer. Understanding this, Mytour will compile common NET Framework errors on computers and how to fix them so that you can effectively troubleshoot and resolve errors.
Above, Mytour has compiled common .NET Framework errors on computers and their solutions. Additionally, you can refer to the Top 4 tools to fix NET Framework errors and uninstall them from the system. If you have any questions or want to add another way to fix errors, please leave your comments below the article.
- Read more: Top 4 tools to repair and uninstall Microsoft .NET Framework
