- Step 1:Make sure that there is no other antivirus software installed on your computer.
- Step 2:If you're trying to install the Norton antivirus software without uninstalling the existing version, the error may occur.
- Step 3:If you have already installed the Norton antivirus software, disable the antivirus feature on it.
- Step 4:Right-click on the Norton app on your desktop and select the Run as administrator option from the displayed list.
- Step 5:If you are receiving errors continuously, permanently run the Norton antivirus software as administrator.
- Step 6:Right-click on the Norton app and select the Properties option from the displayed list.
- Step 7:When the Properties window appears, select the Compatibility tab.
- Step 8:Now, checkmark the 'Run this program as an administrator' box.
- Step 9:Also, checkmark the 'Run this program in compatibility mode' box.
- Step 10:Now, choose your operating system from the drop-down list.
- Step 11:Make sure to save the settings you have made. Save it by clicking the Apply button followed by OK.
- Step 12:If the error N0740E occurs again, open the Control Panel window and go to the Programs and Features section.
- Step 13:Select the Norton antivirus software and click on the Uninstall button.
- Step 14:Finish the uninstallation by following the on-screen instructions.
- Step 15:Now, you can download the latest version of the antivirus software from the official Norton website.
- Step 16:Run the installer file and complete the installation by following the instructions on the screen.
- Step 17:Enter the correct license key while installing the software to avoid issues.
- Step 18:If you are facing any other issues to fix norton error code N0740e, get in touch with our technical support team by clicking the Call button on this page.