Avast Firewall Won’t Turn On? Here’s How to Fix It [Latest]

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Firewall is essential to your OS as it protects your files from external attacks and makes them more secure and protects them from vulnerabilities. Avast is a multiple award-winning security suite available for PC, Mac, and Android, with its range of Free Antivirus, Internet Security Suite, and Premier Edition programs. Thus, you must know how to fix Avast Firewall Won’t Turn On error.

Avast Firewall comes built into its various packages, and although it’s much better than the native firewall available with Windows, it can still sometimes run into issues. You might find that there is an apostrophe sign looming over your Avast icon on the toolbar, and on opening Avast you find Avast Firewall is turned off.

Despite much of your effort, you see that Avast Firewall won’t turn on. It could have happened due to reasons like – changes in your system, corrupt registry or installation files, and malicious programs, among others. If you are facing such an issue, keep reading to fix the problem:

6 Ways to Fix Avast Firewall Won’t Turn On

Conflict with Windows Firewall

Avast Firewall won’t turn on when you have your Windows Firewall active at the same time while running Avast. You don’t need to run Windows Firewall when you have Avast installed on your system. Only one of them will work at a time, and running both of them will cause conflict between the two programs and can even jeopardize your system. If you are running Windows 8 or later, do the following:

windows firewall
windows firewall
  • Go to Control Panel> System and Security> Windows Firewall.
  • On the upper left corner click on “Turn Windows Firewall on or off.”
  • Turn off Windows Firewall and click OK.

Go back and open Avast Firewall and see if it turns on. Apart from your OS Firewall, you might also have a hardware firewall such as your modem or router. Try disabling that as well.

Remove Malicious programs

Malicious or malware programs are unwanted software that occasionally comes bundled with other software packages.

During installation when you select Express install, and click on Agree and Continue, you unknowingly install these which latches on to the programs on your startup list, and might often take control of your Windows Explorer or your browser settings.

Although such malware isn’t as dangerous as other Viruses or Key loggers, they can significantly slow down your PC and ruin the user experience.

If you have inadvertently installed some malicious program on your PC, it might be the reason why Avast Firewall won’t turn on.

The program might have run into issues with Avast Firewall. To get rid of this, install a malware removal tool like Malwarebytes.

Malwarebytes Scan Now

The free version should suffice to clean and get rid of malware from your system. Open Malwarebytes and perform a deep scan, to see if the problem lies therein.

See also: Top 5 Best Anti-Malware Tools to Secure Your System – TechWhoop

The software will automatically locate and quarantine the malware. Once done, go back and see if Avast Firewall turns on.

Clear Registry entries

After you have removed any malware that might have been causing the problem, you should also do a deep clean of your PC and remove potentially unwanted files and invalid Windows Registry entries.

To do this download CCleaner, a cleaning tool for PC. There is both a free and a pro version available, although the free version would work just fine.

You might like to know that Avast took over Piriform, the maker of CCleaner in July this year.

See also: 5 Best PC Optimizer Software for Windows – TechWhoop

CCleaner
CCleaner

OS Reboot

Avast Firewall won’t turn on with mere removal of malware and cleaning registry entries.

The problem might still stick around even after a deep clean. In such a situation, you should perform a manual reboot. After your PC restarts, launch Avast and on the Firewall option, click “Start” to activate the firewall again.

If you have any pre-set app rules, you need to clear them as well from the Firewall Menu as this could be blocking Avast Firewall from opening.

Perform Avast Repair

Windows programs might run into issues over time. If Avast Firewall won’t turn on even after all the above steps, you might need to perform a repair of your Avast Suite. Sometimes, a simple repair is enough to fix the problem. To repair Avast:

  • Open Control Panel>>Programs>>Programs and Features.
  • Select Avast and click on Repair.

If there is any problem with the program, it will fix it, and Avast Firewall should be back and running.

See also: 4 Ways to Fix Kindle Won’t Turn On Error

See also: [4 Methods] Fix Driver WUDFRd Failed to Load Error – TechWhoop

Fresh Install

You might have followed the above steps, but still, find that Avast Firewall won’t turn on. In such an event, you don’t have any option, but to perform a fresh install. But for that, you need to uninstall the program completely. Follow these steps:

  • Download Avast Clear and save it to your desktop.
  • Download the latest version of Avast from here.
  • Start windows in safe mode. (On most of the PCs, it is usually the Shift+F8 key. Keep holding them down both at the same time while rebooting)
  • Open AvastClear.exe saved on your desktop.
  • Locate the folder where you have installed Avast. (typically it is the C:\Program Files folder)
  • Click Remove. (be careful to correctly locate the folder as it will completely erase the selected folder)
  • Reboot your PC.
  • Install the latest version of Avast that you had previously downloaded.
  • Reboot and Avast should turn back on.

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