ESET Cyber Security Pro contains components that may conflict with other antivirus programs that may already be installed on your computer. ESET strongly recommends that you remove any other antivirus programs to prevent potential problems. To launch the installation wizard, do one of the following. License Manager Manage all your licenses from one place. Check and renew your licenses, download more ESET security products or share your multi-device license with family and friends. ESET Internet Security adds hardened browser extensions for banking and shopping online, parental controls, webcam protection and a two-way firewall. It bundles in antivirus software for Macs.

[KB3255] Enter my Username, Password, or License Key to activate ESET Cyber Security/ESET Cyber Security Pro


  1. ESET CYBER SECURITY Fast and powerful security without slowdowns, against all types of malware. Secures Mac, Windows and Linux devices.
  2. See full list on
  • 'Product not activated' - Checking protection status colors (red/green)
  • You receive the notification 'Update information is not consistent'
  • You receive the notification 'Invalid username and password'
  • Virus signature database updates fail
  • Product activation fails


ESET Cyber Security and ESET Cyber Security Pro are updated at least once a day with new virus definitions and occasional program component upgrades. These updates will fail if your Username or Password is invalid or entered incorrectly.


Windows UsersAndroid users

Version 6 (License Key)

After installing ESET Cyber Security and ESET Cyber Security Pro, you will automatically be prompted to enter your License Key to activate your product. If you skipped this step, or your product is still not activated, follow the steps below:

  1. Open ESET Cyber Security and ESET Cyber Security Pro. If your product is not activated, it will say Product is not activated in red:
  1. Click HelpManage License.
  1. Type, or copy/paste, your ESET-issued License Key into the License Key field and then click Activate. Click here if you lost your License Key.
  1. Click Done.

Version 5.x and earlier (Username and Password)

  1. Locate your ESET-issued Username and Password, which you should have received by email after purchase or first activation of your product. If you cannot locate your Username and Password, visit the Lost License page to have them resent.
  2. Open ESET Cyber Security or ESET Cyber Security Pro. How do I open my ESET product?
  3. Press COMMAND + U to open the Username and Password setup window.

    Figure 2-1
    Click the image to view larger in new window

Eset Cyber Security For Mac

  1. Enter your ESET-issued Username and Password into the appropriate fields and then click OK.

    Usernames and Passwords

    Remember to enter your Username and Password exactly as they are written:

    • The username and password are case sensitive
    • The hyphen in the username is necessary
    • The password is ten characters long and all lowercase
    • If you are copying and pasting, make sure you don't select an extra blank space
    • We do not use the letter L in passwords (use the number one (1) instead)
    • A big '0' is the number zero (0); a little 'o' is the lowercase letter o

    Figure 2-2
    Click the image to view larger in new window

  2. Click UpdateUpdate virus signature database (make sure you are connected to the Internet). If the update fails, repeat steps 2-5.

    Figure 2-3
    Click the image to view larger in new window

Last Updated: May 20, 2020

[KB3242] ESET Cyber Security and ESET Cyber Security Pro FAQ



  1. How do I install ESET Cyber Security/ESET Cyber Security Pro?
    For step-by-step installation instructions, see one of the following ESET Knowledgebase articles:
  2. Is there a trial version of ESET Cyber Security/ESET Cyber Security Pro?
    Yes, you can try ESET Cyber Security/ESET Cyber Security Pro free for 30 days. Visit the Trial Download page for more information and to download the product:
  3. Where can I purchase and download ESET Cyber Security/ESET Cyber Security Pro?
    The products are available for purchase at You can also contact your local distributor or reseller to purchase the product.
  4. What is ESET Cyber Security/ESET Cyber Security Pro?
    ESET Cyber Security/ESET Cyber Security Pro are security solutions for Mac home users. It brings the protection of ESET NOD32 Antivirus that Microsoft Windows users have trusted in and depended on for 25 years. ESET Cyber Security/ESET Cyber Security Pro protects you and your network from emerging and cross-platform (such as, Windows, Linux, Mac) threats without system slowdowns. Advanced heuristic technology recognizes and removes new threats.
  5. What's new in ESET Cyber Security/ESET Cyber Security Pro?
    The new products bring improvements to existing feature sets along with new functionality, improved user experience and redesigned interface.
    New features:
    • Cloud-powered scanning
    • Web and email scanning
    • Personal Firewall *
    • Parental Control *
    • Removable Media Control
    • OS X update reminders
    • Notification management
    • Anti-Phishing
    • ESET Social Media Scanner
      * ESET Cyber Security Pro only
  6. Mac OS X is a very secure operating system. Why do I need an antivirus product for it?
    Home users and business users that share files and/or email between Mac and other platforms such as Windows or Linux can potentially spread threats without knowing or being affected themselves. For more information, visit the following ESET Threat Blog article: Straight facts about Mac malware, threats and responses
  7. Is there a Mac ESET product for business users?
    Yes. ESET Endpoint Antivirus for OS X and ESET Endpoint Security OS X have replaced ESET NOD32 Antivirus 4 Business Edition for Mac OS X. Click here to learn more about Mac security products from ESET.
  8. When was ESET Cyber Security/ESET Cyber Security Pro released?
    The latest version of ESET Cyber Security:

    was released on 2019-12-05.
  9. What languages are available for Mac Home Edition?
    The latest version is available in English, French, French-Canadian, Spanish and several others. You can select your preferred language from the drop-down menu of available languages on the download page.
  10. What are the system requirements?
    See What operating systems are ESET products compatible with? (Home Users).
  11. How do I update ESET Cyber Security/ESET Cyber Security Pro?
    Your product will update automatically after installation and activation. For free product upgrades to the latest version available, see the following ESET Knowledgebase article: Do I have the latest version of ESET Cyber Security or ESET Cyber Security Pro?
  12. How do I scan my Mac with ESET Cyber Security/ESET Cyber Security Pro?
    The Real-time scanner built into ESET Cyber Security/ESET Cyber Security Pro protects you as you use your Mac. It will also scan your computer on system start up. You can run a Computer scan or create a scheduled scan to run at different time intervals.
  13. I am using dual-boot software such as Mac Boot Camp or Parallels, do I need separate licenses for my Mac operating system and for my Windows operating system?
    North American customers: Yes, you will need to purchase ESET Cyber Security/ESET Cyber Security Pro and an ESET product for Windows.
    Customers outside North America: No, you do not need to purchase ESET Cybersecurity/ESET Cyber Security Pro and an ESET product for Windows. You can extend the protection of your ESET product to a parallel operating system on the same computer.
    To purchase additional licenses, click here to visit the purchase page.
  14. Is there an ESET security product for the iPhone or iPad?
    No, ESET products for the iPhone and iPad do not currently exist.
  15. I have a question/issue that is not listed here, where can I go for additional ESET product support?
    • Visit the ESET Knowledgebase to search for solutions to specific issues with your ESET product.
    • If you are not able to find the answer to your question in the Knowledgebase, email ESET technical support.
  16. The “Scan on File“ action blocks communication between VMware Fusion from version 7 and vCenter on OS X from version 10.10.4
    You must set exclusions and exclude following folder:

How To Become A Cybersecurity Professional [Career Advice]

Known Issues

Apple M1 Silicon Chip - ESET Cyber Security Pro (for Mac ...

  • ESET Cyber Security Pro is blocking incoming audio in Skype.
    • To allow the incoming audio in Skype, create a new exception for Skype in the firewall settings. See our Knowledgebase article to resolve the issue.
  • macOS 10.13 (High Sierra) contains a security feature which requires a user approval before loading new third-party kernel extensions.

ESET Smart Security 9 Review - Tom's Guide

Last Updated: Mar 23, 2020
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