With it, it’s possible for you to keep your PC safe from viruses and malicious programs.
Just go to open Windows Defender via theSettingsapp and turn offReal-time protection.
However, it isnt as easy as it seems for disabling Windows Defender.
![]()
What happens to cause this annoying issue?
Take it easy and find some effective solutions below.
Lets go to look through them.
![]()
By default, it is on to keep your PC safe from malicious programs.
After the installation, Windows Defender should stop right now.
Malwarebytes may not open on Windows.
![]()
it’s crucial that you pay attention to this issue.
you’re able to read this post and get some useful solutions to fix this annoying issue.
Antivirus software offers limited validity and it’s crucial that you update it to continue using its features.

Disable Tamper Protection
In Windows 10, Microsoft introduced a new feature called Tamper Protection.
Now, it is also applicable to Windows 11.
Step 1: TypeWindows Securityinto the search box and grab the result to open this app.
![]()
Step 2: Click onVirus & threat protectionand click theManage settingslink.
Step 3: Scroll down to theTamper Protectionsection and turn off this feature.
Disabling Tamper Protection may leave your PC vulnerable to malware threats that could have been avoided.

If Windows 10 check virus protection keeps popping up, what should you do to remove the notification?
Try multiple ways here to fix this issue.
Step 2: Navigate to this path Computer Configuration > Administrative Templates > Windows Components > Microsoft Defender Antivirus.

Step 3: Locate theTurn off Microsoft Defender Antiviruspolicy.
Modifying the Windows registry is a risky operation since accidental mistakes could lead to unbootable Windows.
Step 2: Navigate to the top bar and copy & paste the path HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defenderand pressEnter.

Step 3: Right-punch theWindows Defenderkey and clickNew > DWORD (32-bit) Value.
Then, name itDisableAntiSpyware.
Step 4: Double-select this new key, set theBasetoHexadecimal, and change its value data to0.
![]()
Disable Windows Updates
Microsoft will release periodic updates including Windows updates and security updates regarding real-time protection.
If you install these updates, perhaps Windows Defender turns on automatically although it is disabled.
During each security update, the tramper protection code will be upgraded, which can also re-enable Windows Defender.
![]()
This way can let your PC in a very vulnerable position.
So, do this fix after considering the risks.
See how to disable Windows Updates:
Step 1: Right-punch theStartbutton to chooseRun, bang out inservices.mscand clickOK.

Step 2: In theServiceswindow, scroll down to find theWindows Updateservice, and double-choose it to open thePropertieswindow.
Step 3: Under theGeneraltab, go to chooseDisabledfrom theStartup typesection and clickApply > OK.
Step 4: Reboot your PC at last.
Windows 10 automatic updating is always troublesome.
This post shows you how to stop Windows 10 update with 7 solutions.
Windows Defender keeps turning on in Windows 11/10?
How to stop Windows Defender from turning back on?
Multiple fixes are introduced here and you might try them.
If you run into the second issue, how to fix it?
Disable Windows Defender Firewall Service
Step 1: Open theServiceswindow and locate theWindows Defender Firewallservice.
Step 2: Right-choose this service and chooseProperties.
Step 3: ChooseDisabledand save the change.
(7 Ways).
Then, download and install an antivirus program to run a virus scan.
Windows Security missing in Windows 11/10 is a common issue on your PC after an update.
If you meet it, try these solutions here to easily fix it.
If you disable it due to some reason, the PC is risky for threats.
Automatic backups, incremental backups, and differential backups can be created.
Step 3: ClickBack Up Nowto execute data backup at once.
Bottom Line
Windows Defender keeps turning on in Windows 11/10?
How to stop Windows Defender from turning back on?
Besides, if Windows Defender Firewall keeps turning on, try the given methods.