Bitdefender Update Failed Error

Install Bitdefender Update Failed Error

It is always advisable to keep our applications up-to-date. But sometimes, the update process turns out to be complicated due to several reasons. Similarly, when you update Bitdefender on your computer, you may end up with several error codes. This article lists the best solutions to fix the error codes that pop up when you update Bitdefender.


  • Step 1:If you encounter the error code 3 when you update Bitdefender, it signifies that there is an issue with the Hard-Drive. To fix this issue, follow the oncoming instructions to run a Windows check disk.
  • Step 2:On your computer, hit on the Windows Start menu and type Command Prompt in the search area.
  • Step 3:When it shows you the search results, right-click on Command Prompt and select Run as Administrator.
  • Step 4:Type cd\ and press Enter.
  • Step 5:Type chkdsk c: /r and press Enter.
  • Step 6:Now, restart your Windows computer and check whether the error code 3 is resolved.


  • Step 1:The error code 19 or 21 appears during the update process when there is a system-level issue. The error code 19 signifies that the media is write-protected. Similarly, Error 21 indicates that the device is not ready.
  • Step 2:Refer to the previous solution and run the Windows check disk. If the problem is not yet resolved, follow the instructions below to run the System File Checker and DISM scan.
  • Step 3:To run the System File Checker, open the Command Prompt window. Type sfc /scannow and press Enter. Wait until the scanning progress reaches 100%. This scan repairs the corrupted files automatically and fixes the error code.
  • Step 4:To run the DISM scan, open the Command Prompt window. Type Dism /Online /Cleanup-Image /RestoreHealth and press Enter. Once the progress reaches 100%, it will fix the system issues completely.
  • Step 5:Now, check whether your issue is resolved.

ERROR CODE 1002 OR 1011

The error codes 1002 or 1011 occur when there is an issue with your Internet connection. If your Internet is not stable, improve its stability. Once you have fixed your Internet, you can update Bitdefender without any error code.


  • Step 1:The error code 1004 signifies that you are connected to a proxy but not activated proxy usage in Bitdefender.
  • Step 2:If you have connected to the Internet through a proxy, open the Bitdefender application and go to the Settings section. Click the Advanced tab and enable the Proxy server. Now, Bitdefender will start to import your proxy settings from your browser. As a result, the error code 1004 will disappear.
  • Step 3:In case you don’t have a proxy connection, open the Bitdefender app and go to the Settings section. Click Advanced and make sure that the Proxy server option is turned off.


  • Step 1:The error code 1022 indicates that the server is not responsive at that time, and the Internet connection is not stable.
  • Step 2:To fix this issue, restart your router and reboot your computer.
  • Step 3:Now, check whether you can update Bitdefender without any issues.


  • Step 1:The error code 1455 signifies that the pagefile is too small to complete the update process.
  • Step 2:To fix this issue, go to the Control Panel section on your computer.
  • Step 3:Select System and Security> System.
  • Step 4:On the System screen, click Advanced system settings.
  • Step 5:Now, click Advanced and click Settings under the Performance section.
  • Step 6:In the Virtual memory segment, click the Change button and check the “Automatically manage paging file size for all drives” box.
  • Step 7:Finally, restart your Windows computer and check whether the issue is resolved.


  • Step 1:Try out the following solutions if you encounter any error code other than those we have mentioned in this article.
  • Step 2:Restart your Windows computer, and then check whether you can continue with the update process.
  • Step 3:Connect your computer to a different network.
  • Step 4:If you have installed any other antivirus program on your computer, it may start to conflict with the update process of Bitdefender. So, you should disable that specific antivirus program and resume the update process to fix the issue.
  • Step 5:Disable the Firewall temporarily and check whether the Bitdefender update succeeds.
  • Step 6:As a final resort, uninstall and reinstall Bitdefender. This will probably fix your update issues.
  • Step 7:If you still face problems while updating Bitdefender, reach out to us for remote assistance.