Promotional banner image

LÅNGSAM DATOR? HJÄLP TILL ATT FÅ DEN ATT FUNGERA SOM NY

Datorer förlorar prestanda över tid om de inte underhålls. Norton™ Utilities Ultimate kan hjälpa till att dramatiskt förbättra prestandan på din Windows™ PC.

Gäller för: 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

DOCID: v67735351
Senast ändrat: 04/24/2025

Var den här artikeln till hjälp?

Need more help?

Ladda ner
Hantera mitt konto
Köp och förnya
Kontakta oss
Supportbedrägerier
Återställningsverktyg från Norton
Tror du att du har virus?
Problem med att starta i Windows