How To Fix Bitdefender Error 16389?

The Bitdefender antivirus software is designed to detect and remove all kinds of threats that include malware, viruses, worms, and Trojans. Its free edition is available for Windows OS that is easy to install and use. Some of the cool features of this antivirus are real-time data protection, network threat protection, advanced threat defense, multi-layered ransomware protection, anti-phishing, anti-fraud, and more. While installing and using the Bitdefender software on the computer, you may come across few errors. This page explains how to fix Bitdefender error 16389.The Bitdefender error 16389 may be encountered by Windows users while running the software on their computer. Some of the causes of this Bitdefender error are cluttered Windows registries and misconfigured system settings. To resolve the Bitdefender error 16389, perform the following troubleshooting methods one by one.

Method 1: Close the conflicting program

Step 1: Click the Start button on the taskbar.

Step 1: Now, in the search field, type Task Manager. In the opened window, click on the Processes tab.

Step 1: Now, close all the programs. To do so, select one program and right-click on it. Click End Program. Similarly, close all the programs.

Step 4: After closing all the programs, run the Bitdefender application on your computer.

Method 2: Update the device drivers

Step 1: Open the Device Manager window.
Step 2: Expand the section that contains the driver that you want to update.
Step 3: Select the drive that you wish to update and right-click on it.
Step 4: Now, click on the Update driver option.

Now, check if the Bitdefender antivirus error 16389 is fixed by running the software on your computer. If the error remains unresolved, then perform the next method.

Method 3: Reinstall the Bitdefender software

First, uninstall Bitdefender from your computer. After doing it, download the latest version of the software and install it on your computer.

Step 1: Open the Programs and Features window.
Step 2: Select the Bitdefender application and click Uninstall > Yes.

Step 3: Now, go to the Bitdefender application’s support page and download its latest version.
Step 4: Once the application file is downloaded, open and install it on your computer.
Step 5: After installing the software, check if the Bitdefender antivirus error 16389 is resolved. If not, contact us.