While using antivirus software on a computer, there are many issues encountered by the users. On this page, you will learn how to fix the Bitdefender antivirus error 501 on your computer.
Bitdefender antivirus is one of the trusted and most used security software that detects and removes all kinds of e-threats, viruses, worms, Trojans, and malware from your computer. Even if it comes with an Advanced Threat Defence module, sometimes it gets stuck while performing a virus scan and stops protecting the computer. When this happens, the Bitdefender antivirus error 501 is displayed on the screen.
What causes the Bitdefender antivirus error 501?
When you run the Bitdefender antivirus software on a computer that has security software already installed, you will see the error 501 on the screen. To resolve this error, just uninstall or remove the other antivirus software from your computer. The below section explains the same.
Uninstalling the remainder package
Step 1:Sign in to your Windows computer with admin rights.
Step 2:Open the Control Panel window on your computer.
Step 3:Go to the Uninstall a Program section.
Step 4:From the list of programs, choose the other antivirus software that is installed on your computer.
Step 5:After selecting the software, click on the Uninstall button followed by Yes.
Step 6:Now, you can see the uninstallation process initiated on your computer.
Step 7:Wait for the selected software to uninstall completely from your computer.
Step 8:Once it is done, restart your computer if prompted.
Step 9:After your computer restarts, run a virus scan using the Bitdefender antivirus software.
Step 1:Open the Finder window.
Step 2:Locate the other security software that is installed on your Mac computer.
Step 3:Now, click and drag the located application to the Trash folder.
Step 4:If prompted, type your Mac computer’s password in the given field.
Step 5:Empty the trash folder.
Step 6:If the Bitdefender antivirus error 501 persists, then reinstall the Bitdefender software on your computer.
Reinstalling the Bitdefender antivirus software
To Reinstall the software, first, uninstall it from your Windows or Mac computer.
Step 1:Initially, make sure that the Bitdefender application is closed on your computer.
Step 2:Next, open the Control Panel window.
Step 3:Click on the Uninstall a program command.
Step 4:Now, a window displaying the list of programs installed on your computer will open.
Step 5:Locate and choose the Bitdefender antivirus software from the programs list.
Step 6:Now, click on the Uninstall/Remove button.
Step 7:To confirm the uninstallation, click the Yes button on the confirmation dialog box that appears on the screen.
Step 8:Once the Bitdefender antivirus software is uninstalled, restart your Windows computer to save the changes.
Step 1:In the Finder window, click on the Go tab.
Step 2:Choose the Utilities option from the Go list.
Step 3:Select the BitdefenderUninstaller file from the list.
Step 4:Click on the Uninstall button on the pop-up dialog box that appears on the screen.
Step 5:Type your Mac computer password in the given field.
Step 6:Uninstall the Bitdefender software by following the on-screen instructions.
Step 7:After uninstalling the software, check whether its icon is displayed in the Dock.
Step 8:If yes, right-click on the icon and choose Options.
Step 9:Click Remove from Dock.
Install Bitdefender antivirus
Step 1:Go to the Bitdefender’s official support page from your computer browser.
Step 2:Sign in to the page using Bitdefender account credentials.
Step 3:After signing in, choose the Bitdefender antivirus product from the list.
Step 4:Click on the Download button.
Step 5:Once the installer file is downloaded, run it on your computer.
Step 6:Reinstall the Bitdefender antivirus by following the prompts displayed on the screen.
Step 7:After reinstalling the software, run a virus scan using it.
If the Bitdefender antivirus error 501 is displayed again, then contact us by clicking the Call button provided on this page.