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.

Error: (8921,240) "Norton LiveUpdate has completed with an unknown error"

Gäller för: Windows

To fix this problem, run LiveUpdate again. If the problem continues, uninstall and reinstall your Norton product.

These steps are for the current version of Norton products. If you have an older version or if you do not know your product version, go to Norton Update Center.

STEP 1

Run LiveUpdate again

  1. Open your Norton device security product.

    If you see the My Norton window, next to Device Security, click Open.

  2. In the main window, double-click Security, and then click LiveUpdate.

  3. When Norton LiveUpdate is finished, click OK.

  4. Run LiveUpdate until you see the message, "Your Norton product has the latest protection updates."

  5. Exit all programs, and restart the computer.

    If the problem persists, go to Step 2.

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: v71364756
Senast ändrat: 08/05/2024

Var den här artikeln till hjälp?

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