Cannot start Windows after you install Norton

STEP 1

Restart the computer in Safe mode with Networking

  1. Exit all programs.

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

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

    msconfig

    If the User Account Control window appears, click Yes or Continue.

  4. In the System Configuration window, on the Boot tab, select Safe boot and Network.

    On Windows XP: In the System Configuration Utility window, on the BOOT.INI tab, select /SAFEBOOT and Network.

  5. Click OK.

  6. When you are asked to restart the computer, click Restart.

    The computer restarts in safe mode with networking.

STEP 2

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, follow the on-screen instructions to reinstall Norton.

STEP 3

Download and run Norton Power Eraser

  1. Download Norton Power Eraser.

  2. Click Save.

  3. Select the location as Desktop, and then click Save.

  4. To run Norton Power Eraser, double-click the NPE.exe file.

    If the User Account Control window prompts, click Yes or Continue.

  5. Read the license agreement, and click Accept.

  6. Click Settings.

  7. Under Network Proxy Settings, click Configure.

  8. Next to Settings, click Use default settings.

  9. Click Apply and then click OK.

  10. Click OK.

  11. In the Norton Power Eraser window, click the Scan for Risks icon.

  12. By default, Norton Power Eraser performs a Rootkit scan and requires a system restart. When you see a prompt to restart the computer, click Restart. If you do not want to include the Rootkit scan, go to Settings, and uncheck the option Include Rootkit scan (requires a computer restart).

  13. Wait for the scan to complete.

STEP 4

Reinstall Norton

STEP 5

Restart the computer in Normal mode

  1. Exit all programs.

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

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

    msconfig

    If the User Account Control window appears, click Yes or Continue.

  4. In the System Configuration window, on the Boot tab, uncheck Safe boot.

    On Windows XP: In the System Configuration Utility window, on the BOOT.INI tab, uncheck /SAFEBOOT.

  5. Click OK.

  6. When you are asked to restart the computer, click Restart.

    The computer restarts in the normal mode which takes several minutes.

Thank you!

Thank you for using Norton Support.

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DOCID: kb20080502112503EN_EndUserProfile_en_us
Operating System: Windows
Last modified: 09/04/2017