Girl with kid

Offer for existing members: Upgrade for Free*

Cybercrime has evolved. Our protection has too. *For the remainder of your subscription. Terms apply.

适用于: Windows

Norton installation does not start after completing the download on Windows

This issue appears when you install the new Norton product over an existing version of a Norton product. To fix this problem, uninstall the existing version and then install the newly purchased version of the Norton product.

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 Advanced Options.

  6. Click Remove Only.

  7. Click Remove.

  8. Click Restart Now.

    After the computer restarts, download and install your Norton device security product again. For detailed instructions, read Download and install your Norton device security

文档号 (ID): v67735351
上一次更改: 04/24/2025

这篇文章对您是否有帮助?

Need more help?

下载
管理我的帐户
购买和续订
联系我们
支持类诈骗
Norton 救援工具
您认为电脑感染了病毒?
在 Windows 上启动时出现问题