Get All The Possible Solutions To Fix .Net Framework 3.5 Error Code 0x80071A90

.Net framework 3.5 error code 0x80071A90 is one of the common issues that several users have faced while trying to install the .NET Framework on their Windows 10 system. The error code is almost always accompanied by an error message that basically states that Windows cannot make the requested changes because the function tries to use the name provided for other transactions, followed by an error code. This error code appears when you have not updated the Operating System. Sometimes the third-party antivirus can also be responsible for this issue. So if you want to resolve this issue, then carefully go through this article. Here you will get all the solutions for the error code 0x80071A90.

Fixes for .Net Framework 3.5 Error Code 0x80071A90

Now we are going to share some troubleshooting process for .net framework 3.5 error code 0x80071A90 on the Windows 10 system. Take a look below:

Solution 1 – Update the Operating System

If you are using an Operating System that hasn’t been updated for a while, then you can see .net framework 3.5 error code 0x80071A90 on your Windows 10 system. Firstly, you have to update the Operating System. Follow the steps which are mentioned below:

Step 1

Firstly, you have to press the Windows button + R key together to open the Run dialog box, type Settings and then press the Enter button or click on the OK option. Alternately, you can press the Windows Home button + X key to launch the Menu list. Under the menu list, you need to select the Settings application.

Step 2

In the Settings window, move the cursor to the Update and Security section. From the Update and Security tab, you will get a section named Update, which is present at the left side panel, click on it.

Step 3

On the right side panel, select the Check for updates option. If you see any updates are available, then click on the button Update. Once the task is completed, restart the Windows 10 system and then check to see if the issue is eliminated or not.

Solution 2 – Run the Windows Troubleshooter Tool

Windows troubleshooter is one of the amazing tools that come as a built-in functionality for Windows. By using this tool you can quickly fix the error code: 0x80071A90 on Windows 10. Here you will get to know the steps to utilize this tool:

Step 1

Firstly, you should go to the Search box, type Settings and then press the Enter button. Alternately, you need to hold the Windows Home button along with the I key to launch the Settings application.

Step 2

In the Settings application, you have to take the mouse to the Update and Security tab. From the Update and Security tab, select the Troubleshoot tab on the left side panel.

Step 3

In the Troubleshoot section, you need to scroll down the page and locate the Windows Update option. Click on it. After that, you will get the Run the troubleshooter option present below. Click on it and allow the troubleshooter to run. Once the task completes, restart your system and then check whether the .Net framework works without showing the error code 0x80071A90

Solution 3 – Uninstall the .Net Framework 3.5 Application and Install it Again

When you see the .Net framework 3.5 application is not properly installed then you can simply remove it and install it again. The following section will provide you with the complete steps and procedure to resolve this issue:

Step 1

At first, you need to hold down the Windows button and I key to launch the Settings application. Alternately, you have to press the Windows Home key + X button together to open the Menu list. Select the Settings application.

Step 2

You must double click on the Apps and Programs tab from the Settings application. In the Apps and Programs section, find the .Net framework application and click on the Uninstall button. When the uninstallation process is done, download the .Net framework from the official website. After completing this, install it properly. You need to follow the onscreen instructions carefully to complete the installation process. Once you are done with these steps, restart the system and then check whether the issue is resolved or not.

Solution 4 – Run the SFC Tool

System File Checker tool is a powerful tool for Windows. By using this tool, you can quickly resolve the error code 0x80071A90 on your PC. Go through the steps mentioned below:

Step 1

You have to press the Windows key along with the X key to launch the Menu list. Under the menu list, you will get an application Command Prompt (Admin), select it. Alternately, you can type cmd in the Search Panel, right click on it. Select the Run as administrator button.

Step 2

Now you can see the Command Prompt window that appears. In the Command Prompt, type SFC/scannow command and then hit the Enter button. Once the task is completed, reboot the system and then check to see whether the .Net framework opens without any error.

Solution 5 – Disable the Third-Party Antivirus

Sometimes, the third-party antivirus can block the .Net framework 3.5 application from the opening. So you need to turn off the third-party antivirus. Follow the steps cited below:

Step 1

At first, open the third-party antivirus application by double-clicking on the third-party antivirus icon which is present on the desktop screen. If you do not find the icon then you can go to the Search box, type the name of the third-party antivirus that you are using on the system and then hit the Enter button.

Step 2

In that application, you need to navigate to the Settings section and click on the Disable option to turn off the third-party antivirus application. After turning off this, if the issue still there then you should uninstall it from the system. To do that:

  1. Press the Windows button + R key to launch the Run dialog box, type Settings and then hit the Enter button or click on the OK button. Alternately, hold the Windows key and press the X button together to open the Menu list.
  2. From the Settings application, move to the Apps and Programs tab. In that tab, scroll down the page and find the third-party antivirus, then click on the Uninstall button. After completing the uninstallation process, restart the system and then try to install the .Net framework 3.5 application.

Solution 6 – Open the System into Safe Mode

This solution is easier compared to the other fixes. When you see this issue on the system, you need to open the system into the Safe mode to get rid of the error code: 0x80071a90 Windows 10. Follow the steps given hereunder:

Step 1

Firstly, you need to click on the Start button which is present at the left side down corner. From that list, select the Power option.

Step 2

When you press the Power button, you will see a list opens. Next, you need to press the Shift button from the keyboard and at the same time click the Restart button. Now, the system restarts and you will see Choose an Options window open.

Step 3

From the Choose an Option list, you can select the Troubleshoot button. In the next window, you need to click on the Advanced options tab. Under the Advanced options section, click on the Startup Settings and the system restarts.

Step 4

After rebooting the system, you can see the F1 to F9  keys. If you want to open the system into safe mode then you need to press the F4, F5, and F6 keys. After pressing these keys you should restart your computer into the safe mode.

Solution 7 – By Using the Group Policy Editor

By using the group policy editor also, you can resolve the .Net framework 3.5 error code 0x80071A90 on your Windows 10 device. Let’s check the steps:

Step 1

Press the Win + R buttons to open the Run dialog box, type gpedit.msc and then hit the Enter button or click on the OK option. Alternately, press the Windows Key and s button to launch the Search box, type Group Policy Editor and then hit the Enter key.

Step 2

When the Group Policy Editor window opens, you need to navigate to Computer Configuration section. In that section, scroll down the page and locate the Administrative Templates. Select it and then go to the System window.

Step 3

In the System window, you need to find the “Specify settings for optional component installation and component repair” button, click on it.

Step 4

From that tab, you need to set it to the Enabled by clicking on it and also mark on the “Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS)” button. After doing this, click on the OK option to save the changes. Now you have to try the install the .Net framework 3.5 application on the system.

We hope this article will be helpful for resolving the .Net framework 3.5 error code 0x80071A90 on the Windows 10 system. The solutions mentioned here are very easy and effective to get rid of this issue on your PC. Now, you can try these solutions and solve the issue immediately. In case you face any problem to do that, then you can consult with a professional to remove this problem.