Promotional banner image

IS YOUR COMPUTER SLOW? RUN LIKE NEW

If they are not maintained, computers lose performance over time. Norton Utilities Ultimate can help significantly improve the performance of your Windows computers.

Applicable for: Windows

Error: "Another version of a Norton product has been detected on this computer..."

STEP 1

Uninstall the Norton product

  1. Press the Windows + R keys to open the Run dialog box.

  2. Type in the following text, and then press Enter.

     

    appwiz.cpl
  3. In the list of currently installed programs, select the Norton security product, and then click Uninstall or Remove.

  4. Follow the on-screen instructions.

  5. When the uninstall completes, restart the computer.

STEP 2

Download and run the Norton Remove and Reinstall tool

If you have Norton Family installed, uninstall it before you run the Norton Remove and Reinstall tool.

  1. Download 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. Click Remove & Reinstall.

    You may see the Remove button if your Norton product is from your service provider.

  6. Click Continue or Remove.

  7. Click Restart Now.

    After the computer restarts, follow the on-screen instructions to reinstall your Norton product.

DocID: kb20080808165115EN
Last modified: 04/24/2025

Was this article helpful?

Promotional banner image

Keep your online identity private!

Browse like no one’s watching with Norton anti-tracking software.

Need more help?

Download
Manage my account
Buy & renew
Contact us
Community
Support scams
Norton rescue tools
Think you have virus?
Problem launching on Windows