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How to update Bitdefender’s threat definitions offline

This article will guide you stepwise to update Bitdefender offline on Windows computers. Bitdefender should be updated offline when the Internet connection is too slow or when you don’t have Internet access.

You can download the updates manually to a computer with Internet access and then transfer them to your offline computer using a removable device, such as a flash drive. The update package is called weekly.exe and is released every Friday. It includes all the virus definitions and scan engine updates that are available up to the release date. The weekly.exe application is a Virus Definition Update only. If you are looking to install product updates, you must update Bitdefender using an Internet connection through the Update feature of the product.


 

How to update Bitdefender’s threat definitions offline

To update Bitdefender offline using weekly.exe, follow the steps below:

1. Download the file corresponding to your Windows architecture and save it locally on your hard disk. Follow these steps to determine whether your computer is running a 32-bit or a 64-bit Windows.

For 32-bit operating systems   |   • For 64-bit operating systems

 

Note: For Bitdefender 2019 & older Bitdefender versions use this file instead. 

For 32-bit operating systems   |   • For 64-bit operating systems

 

2. Double-click the downloaded file ‘weekly.exe’  to start the setup wizard.

weekly.exe

 

3. Wait a few moments while the antivirus signatures are being unpacked.

Unpacking the files for offline update

 

4. Select the radio button ‘I accept the agreement’ after you read and agree with the License Agreement. Then press ‘Next’.

License Agreement - offline update

 

5. Click ‘Install’ to begin installing the updates offline.

Install Bitdefender updates offline

 

6. Please wait for the utility to update Bitdefender’s Threat Definitions.

Bitdefender's Threat Definitions being updated offline

 

7. Click the ‘Finish’ button after completing the offline update process.

The Finish button

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