Avast’s behavior shield is a great tool for protecting your computer, but sometimes it can be tricky to get it to work.
When I booted up my computer this morning, I noticed that the Avast behavior shield wasn’t turned on. This was strange because I always make sure to have it enabled. I tried to turn it on, but nothing happened.
I was worried that my computer was infected with a virus. I did some research and found out that there are a few quick fixes to try.
I tried restarting my computer, but that didn’t work. Then I tried uninstalling and reinstalling Avast, but that didn’t work either.
Finally, I tried resetting my computer, and that worked! It is a quick solution for Avast behavior shield will not turn on. Here I also help you in fixing all types of issues, you may face if the Avast behavior shield is not starting.
What is Avast’s behavior shield?
Avast behavior shield is a feature of the Avast antivirus software that monitors the behavior of programs on your computer and flags any suspicious activity.
Why is the Avast behavior shield not turned on?
There are a few reasons why the Avast behavior shield might not be turned on.
New Version is not Installed
One reason could be that you have not installed the latest version of Avast. Another reason could be that you have not enabled the feature in the settings.
Malware Issue causing Avast behavior shield wasn’t turned on
Last week, while working on my laptop, I found that the behavior shield was turned off. I turned it back on and scanned their systems. Both had malware infections. I cleaned them up and now they are working fine.
Compatibility issue between system OS and Antivirus Avast
Sometimes there can be compatibility issues between the software and the operating system, which can cause problems. One such problem is that the Avast behavior shield may not be turned on.
This can happen if the software is not compatible with the operating system, or if there is a conflict with another piece of software. In either case, it is important to make sure that the antivirus software is compatible with the system before installing it.
Otherwise, it may not work properly and could leave the computer vulnerable to attack.
How To Fix Avast Behavior Shield Won’t Turn On Issue?

Here are some quick fixes to resolve the avast antivirus not starting issue.
Quick Fix #1: Restart your computer
If you’re running into issues with Avast’s Behavior Shield not turning on, restarting your computer may be the solution. According to Avast, “Restarting the computer resets many Windows settings and can sometimes resolve configuration issues.”
If you’re still having trouble after restarting your computer, make sure that Behavior Shield is enabled in the Avast interface. To do this, open the Avast program and go to Settings > Protection. Then, under the Core Shields section, enable Behavior Shield.
Quick Fix #2: Check Your Firewall
If you recently updated your Avast antivirus software and found that the Avast Behavior Shield has not turned on, there’s no need to panic. It is most likely due to a conflict with your firewall.
To fix this issue, simply check your firewall settings and make sure that Avast is allowed to communicate with the internet. You may need to consult your firewall’s documentation for instructions on how to do this.
Once you’ve verified that Avast is allowed to access the internet, the Behavior Shield should turn off automatically.
Quick Fix #3: Temporarily disable other security programs
If you’re having trouble with your Avast Behavior Shield suddenly turning on, don’t panic.
- First, try temporarily disabling other security programs you have running. It may help if the behavior shield is being interfered with by another program.
- If that doesn’t work, you can try restarting your computer. Sometimes a simple reboot can fix strange issues like this.
- Lastly, if all else fails, you can always contact Avast customer support for help troubleshooting the issue.
Quick Fix #4: Use the Avast Cleanup tool
The Avast Cleanup tool is designed to fix a variety of issues, including problems with Avast Behavior Shield. Simply download the tool and run it on your computer. The Avast Cleanup tool will scan your system for issues and attempt to fix them automatically.
In most cases, the tool will be able to successfully fix the problem and restore Avast Behavior Shield to its proper functioning state.
Quick Fix #5: Reset Avast’s settings
You can try resetting Avast’s settings to the defaults. This can be done by going to the “Maintenance” tab in the Avast settings window and clicking on “Reset settings.” If that doesn’t work, you can try uninstalling and then reinstalling Avast.
Finally, if all else fails, you can contact Avast customer support for more help. With a little troubleshooting, you should be able to get Behavior Shield working properly again.
Quick Fix #6: Temporarily disable other security software
The issue of Avast’s Behavior Shield not turning on can resolve by temporarily disabling other security programs. This will allow Avast to run uninterrupted and should fix the problem.
Of course, you should only disable other security programs if you’re confident that Avast is properly protecting your system.
Once the issue is resolved, you can re-enable the other programs and continue to enjoy peace of mind knowing that your computer is safe from threats.
Quick Fix #7: Run a scan with Avast’s Boot-Time Scan
To use the Boot-Time Scan, simply open the Avast application and click on the “Scan” button. Then, select the “Boot-Time Scan” option from the drop-down menu. Avast will then reboot your computer and begin scanning your system for malware.
The scan may take a few minutes to complete, but it is well worth it to ensure that your computer is safe from infection. If the Boot-Time Scan finds any malware on your system, Avast will automatically remove it and quarantine any files that are infected.
How can I turn on Avast’s behavior shield?

If you want to turn on the Avast behavior shield, you can do so by opening the Avast software and going to the settings. Once in the settings, you should see an option to enable or disable the behavior shield.
Is it safe to turn on the Avast behavior shield?
Yes, it is safe to turn on the Avast behavior shield. The feature is designed to help protect your computer from malware and other threats by monitoring the behavior of programs and flagging any suspicious activity.
Will turning on the Avast behavior shield slow down my computer?
No, turning on the Avast behavior shield will not slow down your computer. The feature is designed to run in the background and has a minimal impact on system resources.
How often does Avast scan for threats?
Avast scans for threats automatically and regularly, but you can also manually scan for threats at any time by clicking the “Scan” button in the software’s interface.
What happens if Avast finds a threat?
If Avast finds a threat, it will quarantine or delete the file to prevent it from causing any damage to your computer
With these quick fixes, you should be able to get Avast’s behavior shield up and running in no time!
Why does Avast Behaviour shield keeps turning off?
The behavior shield may occasionally turn off automatically. There are a few reasons why this may happen.
- First, the behavior shield may be turned off if you install a new program that is not recognized by Avast. In this case, you can add the program to Avast’s whitelist so that it will not be blocked in the future.
- Second, the behavior shield may also be turned off if you have recently made changes to your system settings.
How do I turn off Avast Behavior Shield?
If you are using Avast Free Antivirus, you can find the setting by going to the ‘Protection’ tab and then clicking on ‘Shields control.’ From there, you can disable the ‘Behavior Shield’ option.
If you are using Avast Premier or Avast Internet Security, the setting is located in the ‘Security’ tab. Once again, simply click on the ‘Shields control’ option and then disable the ‘Behavior Shield.’
Is Avast File Shield safe?
Avast File Shield appears to be a safe and effective security solution. It provides comprehensive protection against malware and other threats, and it has minimal impact on system performance.
Additionally, Avast is a well-established and reputable company with a long history of providing quality security solutions.
What is the function of a behavior shield in antivirus?
One of the most important functions of antivirus software is to protect your computer from malicious software, or malware.
Malware is any software that is designed to damage or disable a computer, and it can come in many forms, such as viruses, worms, and Trojans.
Behavior shield is a feature of antivirus software that helps to protect your computer from malware by monitoring the behavior of all programs and files on your system.
If the behavior shield detects anything suspicious, it will take action to block the malicious software and prevent it from causing harm to your system.