How to Reinstall Norton Software?

Sometimes Norton installations get corrupted. To fix this problem, we need to reinstall Norton software. In some other cases, we may need to remove Norton without reinstalling it.

Reinstalling Norton on PC and Mac Computers

Here we list steps about how to reinstall Norton on Windows and Mac computers.

Windows Based Computers

Reinstalling Norton 360, Norton AntiVirus or some other Norton software on a PC is a task that happens in three steps:

1. Uninstall Norton from your computer;
2. Restart your computer;
3. Install Norton back onto your computer.

The best and easiest way of reinstalling Norton on Windows based computers is to use Norton Remove and Reinstall tool for Windows.
Note: If you have Norton Family, you need to uninstall it before you run the Norton Remove and Reinstall tool.

Steps for using Norton Remove and Reinstall tool for Windows:

1. Download the Norton Remove and Reinstall tool.
   • On Windows XP computers, download the Windows XP compatible version of the Norton Remove and Reinstall tool.
   • Save the file to the Windows desktop. On some browsers, the file is automatically saved to its default location.
2. To open the Downloads window in your browser, press the Ctrl + J key.
3. Double-click the NRnR icon.
4. Read the license agreement, and click Agree.
5. Do one of the following depending on your situation:
   • To uninstall and reinstall your Norton device security product, click Remove & Reinstall.
   • To only remove your Norton device security product, click Advanced Options and then click Remove Only.
   • You may only see the Remove option if you have received the Norton device security product from your service provider. You may need to contact your service provider to reinstall the product.
6. Click Continue or Remove.
7. Click Restart Now.
8. After the computer restarts, your Norton device security product download starts automatically if you have selected the Remove & Reinstall option.
9. Reinstall Norton Family if you have uninstalled it.

Video showing how to use Norton Remove and Reinstall tool

Mac Based Computers

Steps for reinstalling Norton on Mac computers are not as on Windows machines.

To completely remove all Norton application files and references on your Mac, download and run the RemoveNortonMacFiles tool.
Note: Before running the RemoveNortonMacFiles tool, make sure that you have uninstalled the Norton device security product on your Mac.

Step 1: Uninstall Norton

1. On your Mac, click the Finder icon  in the dock, and then click Applications in the left pane under Favorites section.
2. Find the Norton application icon, and drag it to the Trash or Bin.
3. Click Continue.
4. When prompted, type your administrator account password, and then click OK.
5. In the window that appears, click Uninstall.
6. When prompted, type your administrator account password, and then click Install Helper.
7. Click Restart Now.

Step 2: Download and Run RemoveNortonMacFiles as an Administrator

1. Download the RemoveNortonMacFiles.zip file.
2. Click the Finder icon  in the Dock.
3. In the Finder window, click Downloads in the left pane under Favorites.
4. Do one of the following:
   • If you downloaded the file using Safari browser, open the RemoveNortonMacFiles folder.
   • If you downloaded the file using the Mozilla Firefox or Google Chrome browsers, double-click the RemoveNortonMacFiles.zip file to expand it, and then open the RemoveNortonMacFiles folder.
5. In the RemoveNortonMacFiles folder, control-click the RemoveNortonMacFiles.command file, and then click Open with > Terminal (default).

   To run this tool, you must be logged on with an Administrator account and a non-blank password.

6. Do one of the following:
   • If you have not uninstalled Norton application on your macOS 10.15.x or later, a message appears in the Terminal window that prompts to drag and drop Norton from Applications folder to Trash. Go to step 7.
   • If you have macOS 10.14.x and earlier, OR if you already uninstalled your Norton product on your macOS 10.15.x or later, go to step 13.
7. In the Terminal window, press return to open the Applications folder in Finder.
8. In the Applications folder, select the Norton application, and then drag and drop it to the Trash.
9. When you see a prompt, type your administrator account password, and then click OK.
10. In the Norton installer window, click Uninstall.
11. If you see a prompt, type your administrator account password, and then click Install Helper.
12. When the uninstall finishes, run the RemoveNortonMacFiles.command file in Terminal again.For more information, refer to the instructions in step 5 above.
13. In the Terminal window, type your administrator password, and then press return.When you type your password, no characters appear.
14. To remove all Norton files and folders, type 1.If you want to quit RemoveNortonMacFiles without removing any files, type 2.
15. Press return.RemoveNortonMacFiles tool removes all of the Norton files.
16. When the RemoveNortonMacFiles tool finishes removing the Norton files, in the Terminal window, type y, and press return to restart your Mac.Before you press return, make sure that you save your work in other open applications.