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Having trouble with your Bitdefender Antivirus

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Antivirus Scan Failed

Antivirus scan failed error occurs due to many issues, including security-related issues. During this error, you will realise that you are unable to download a particular file. Your computer may be infected, or your antivirus software may block the file download. However, there is a fix for this problem.


  1. Your antivirus may block the file download process. 
  2. Your computer may be infected with malware 
  3. Browser extensions may be causing problems

Solution 1: Update Chrome

  1. Go to Chrome, click the three dots in the top right corner, select Help, and then select About Google Chrome
  2. Then, Chrome will look for available updates. 
  3. The available updates will be installed automatically; let them be. 
  4. After That, select Relaunch
  5. Move to the file’s download link and download the file. 

Solution 2: Disable System’s virus scanner

  1. Go to Start, navigate Windows Security, and select the app from the search results. 
  2. Go to the app’s main window and select Virus & threat protection
  3. Then, under the Virus & Threat protection settings, choose Manage settings
  4. Disable the Real-time protection option. 
  5. Then, click Yes on the User Account Control prompt. 
  6. Lastly, move to Chrome and download your file. 

Solution 3: Reset your Chrome

  1. Go to Chrome, click on the three dots in the top right corner, and select Settings. 
  2. Choose Reset and clean up option. 
  3. Select Restore settings to their original defaults
  4. Lastly, select the Reset Settings option.
Antivirus Support

Frequently Asked Questions (FAQ's)

Usually, antivirus scans your computer. But if it won’t, it may be due to an incorrect installation or the leftovers of previous software. Otherwise, it may also be caused due to interference with other security tools on your computer, like Windows Defender.

First, move to Start and select Settings. Then, go to Update & Security. After that, go to Windows Security and then Virus & Threat Protection. Lastly, launch Windows Security settings. Afterthat, select Quick Scan under Current threats.

A full virus scan is necessary in most cases. You should run at least one full virus scan after installing and enabling Defender Antivirus. The scans are helpful in recognizing the existing threats.

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