| Error code | Issue Description and Troubleshooting |
|---|
| ACT.0 | If you receive one of these activation errors with your ESET Windows home product, email ESET Technical Support. |
| ACT.1 | Activation was successful but something went wrong. Determine if you have the latest version of your ESET product. |
| ACT.15 | If you cannot activate your product with a License key, manually disconnect a device from an ESET HOME account and activate your product with a License key again. |
| ACT.17 | Activation Failed – Canceled license- If you have renewed/enlarged/upgraded your product recently, ensure you are activating it using the most recent License Key supplied by ESET after purchase considering the previous credentials could be changed.
- Your license credentials could have been reset to avoid overuse due to leaking practices. Check the email account registered during purchase and look for any communication on behalf of ESET regarding this scenario. You can recover the new License Key through the Lost license form.
|
ACT.18
| It is required to verify the activation with the parent (previous) license which is already not renewable or expired. |
ACT.20
| This license is not valid in the selected country. Your license needs to be activated in the country where it was purchased. Alternatively, contact your local ESET partner to update your license and help you activate your ESET product. |
| ACT.21 | This error typically occurs after upgrading your ESET product. To resolve this error, restart your computer and attempt to activate your product using your license key. Add the inline link to “active your ESET product. |
| ACT.24 | Your ESET product is having trouble connecting to the ESET IP server. Verify that your network has rules allowing access to the ESET IP servers. |
| ACT.25 | You may receive the ACT.25 error if you used your license previously with an ESET Beta product. To resolve this issue,Contact ESET Technical Support. . |
ACT.32
ACT.34 | Activation failed – An error occurred during activation Your license key is not valid in the country you selected during installation. Select the proper country or contact your license distributor. |
| ACT.39 | Your license is overused. Possible solutions are:- Remove license or deactivate ESET on unused devices via ESET My licenses
- Remove license or deactivate ESET on unused devices manually
- Renew or extend your license
To identify and report a pirated ESET license, visit our Knowledgebase article for instructions. When the license is no longer overused, attempt to activate again. |
| ACT.4 | This error may be caused by a failed upgrade or corrupted installation. Verify there is no other antivirus/security software installed on your system in conflict with your ESET product.- Uninstallers (removal tools) for common Windows antivirus software
|
ACT.46
| Your license is expired and can be renewed. If you are receiving this error when your ESET product is new and you have not already activated it, email ESET Technical Support. |
| ACT.5 | Activation failed/Invalid License Key Type or copy/paste the License Key into your ESET product as it is written. If you receive the error message “Activation failed”, then the Activation key you are using has already been activated or you entered an incorrect License Key. When the key was activated, an email was sent out to the registered email containing an ESET-issued Username, Password, and License Key. Depending on the version of your product, you will need to enter one or more of these credentials into your ESET product to activate it. - Activate my ESET Windows home product using the license key
- I never received the license email containing my Username and Password/License Key
- I lost my Username, Password, or License Key
|
| ACT.6 | Your license is expired and non-renewable, the product has to be activated using a different license. This error typically occurs when you try to activate a product using an expired trial license. |
| ACT.7 | Activation failed Verify you downloaded the correct ESET product for the license you purchased. To download a different product, visit the download page. |
ACT.8
| Entered invalid username/password for access to ESET My licenses. If you are a license owner and cannot log in, email ESET Technical Support. |
| ECP.4097 | Undefined Error This error can occur when the system time on your machine is set incorrectly or your computer hostname is missing. Set your system clock properly to resolve the error. If you are still unable to resolve your issue, email ESET Technical Support. |
| ECP.4098 | Your ESET product is having trouble connecting with ESET servers. Verify your computer has an active internet connection by going to www.eset.com. If you are still unable to resolve your issue, email ESET Technical Support. |
| ECP.4099 | We could not reach the activation server This is a known issue with Windows operating systems that prevents activating your ESET product in some circumstances. ESET Smart Security Premium / ESET Internet Security / ESET NOD32 Antivirus users (and all Windows XP users) - Verify your Windows operating system is up-to-date. If not, perform a Windows Update, restart your computer and try to activate again.
- Ensure that any other antivirus/security software installed on your system is not in conflict with your ESET product. Uninstallers (removal tools) for common Windows antivirus software
- Communication with ESET activation servers is verified using certificates. Ensure the Windows root certificates are updated using Windows Update automatically. Alternatively, refer to Microsoft’s article.
If you still cannot activate your ESET product, email ESET Technical Support and receive specific tools and instructions on how to resolve the issue and activate your ESET product. We recommend including ESET Log Collector output when submitting a support request. |
| ECP.4100 | Internal error If you are still unable to resolve your issue, please email ESET Technical Support. |
| ECP.4116 | This license is not valid in the selected country. Your license needs to be activated in the country where it was purchased Alternatively, contact your local ESET partner to update your license and help you to activate your ESET product: - How can I contact my local ESET partner for support?
|
| 0x00040027 (macOS) | Your license is overused. Possible solutions are:- Remove license or deactivate ESET on unused devices via ESET My licenses
- Remove license or deactivate ESET on unused devices manually
- Renew or extend your license
To identify and report a pirated ESET license, visit our Knowledgebase article for instructions. When the license is no longer overused, attempt to activate again. |