ແກ້ໄຂບໍ່ສາມາດເປີດ Windows Defender ໄດ້
Fix Unable to turn on Windows Defender: Windows Defender is an inbuilt antimalware tool that detects virus and malware on your system. However, there are some instances when users experience that they are unable to turn on Windows Defender in Windows. What could be the reasons behind this problem? There are many users who explored that installing any third party antimalware software cause this problem.
Also, if you go to Settings > Update & Security > Windows Defender then you will see that the Real-time protection in Windows Defender is turned on but it’s greyed out and also everything else is turned off and you can’t do anything about these settings. Sometimes the main issue is that if you have installed a 3rd party Antivirus service then Windows Defender will shut itself off automatically. No matter what reasons are behind this problem, we will walk you through the methods to solve this problem.
Why can’t I turn on my Windows Defender?
One thing we need to understand that Windows Defender provides complete protection to our system. Therefore, not able to turn on this feature could be a serious problem. There are many reasons for you not being able to turn on Windows Defender in Windows 10 such as third-party Antivirus might be interfering, Windows Defender is turned off by group policy, incorrect date/time issue, etc. Anyway, without wasting any time let’s see How to fix the underlying cause of this issue using the below-listed troubleshooting guide.
Fix Unable to turn on Windows Defender in Windows 10
ໃຫ້ແນ່ໃຈວ່າສ້າງຈຸດຟື້ນຟູພຽງແຕ່ໃນກໍລະນີທີ່ມີບາງຢ່າງຜິດພາດ.
Method 1 – Uninstall any third-party Antivirus software
One of the most common causes of Windows Defender not working is third-party antivirus software. Windows Defender automatically shuts itself down once it detects any third party anti-malware software installed on your system. Therefore, you need to first start uninstallation any third party antimalware software. Moreover, you need to make sure that uninstallation is done properly all residue files of that software otherwise it will keep creating a problem for Windows Defender to get started. You can use some uninstaller software that will remove all remnants of your previous antivirus. Once the installations finished, you need to restart your system.
Method 2 – Run System File Checker (SFC)
Another method that you can opt for is system file diagnosis and repair. You can use command prompt tool to check whether Windows Defender files are corrupted. Moreover, this tool repairs all corrupted files.
1.ກົດ Windows Key + X ແລ້ວເລືອກ Command Prompt (Admin).
2.ປະເພດ sfc / scannow ແລະກົດ enter.
3.This process takes some time so be patient while running this command.
4.In case sfc command did not resolve the problems, you can use another command. Just type the below-mentioned command and hit Enter:
DISM / Online / Cleanup-Image / RestoreHealth
5.It will scan thoroughly and repair corrupted files.
6.After completing these steps, check if you’re able to fix Can’t Turn ON Windows Defender issue or not.
ວິທີການ 3 - ດໍາເນີນການ Clean Boot
Sometimes there are some third party applications cause this problem, you can easily find those ones by performing the clean boot function.
1.Press Windows + R and type msconfig ແລະກົດ Enter.
2.On the system configuration Window, you need to navigate to ແຖບບໍລິການ where you need to check to ເຊື່ອງບໍລິການ Microsoft ທັງໝົດ ແລະຄລິກໃສ່ ປິດການໃຊ້ງານທັງ ໝົດ ປຸ່ມ.
3. ຄົ້ນຫາ Startup section ແລະຄລິກໃສ່ ເປີດ Task Manager.
4.Here you will locate all startup programs. You need to ກົດຂວາ on each program and ປິດການທໍາງານ all of them one by one.
5.After disabling all startup applications you need to come back to the system configuration window to save all the changesທີ່ຢູ່ ໃຫ້ຄລິກໃສ່ ຕົກລົງ.
6.You need to reboot your system and check if you’re able to Fix Can’t Turn ON Windows Defender issue ຫຼືບໍ່.
To zero in on the issue you need to perform clean boot using this guide and find the problematic program.
Method 4 – Restart Security Center Service
Another method to get your Windows Defender problem solved is restarting security center service. You need to activate and ensure that certain services are enabled.
1.Press Windows + R and type servicesmsc ແລະກົດ Enter
2.Here you need to search for ສູນຄວາມປອດໄພ ແລະຫຼັງຈາກນັ້ນ ກົດຂວາ on Security Center and choose ເລີ່ມຕົ້ນໃຫມ່ ທາງເລືອກ.
3.Now simply restart your device and check if the problem is solved or not.
Method 5 – Modify your registry
If you are still finding the problem in turning on the Windows Defender, you can opt for this method. You just need to modify the registry but before doing so make sure to create a backup of your Registry.
1.Press Windows + R and type regedit. ດຽວນີ້ກົດ Enter.
2.Once you open the registry editor here you need to navigate to:
ຜູ້ປ້ອງກັນ HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows Defender
3.Select Windows Defender then in the right window pane find DisableAntiSpyware DWORD. Now double click this file.
4.Set the value data to 0 and click OK to save the settings.
ຫມາຍເຫດ: If you’re facing permission issues then right-click on Windows Defender ແລະເລືອກເອົາ ການອະນຸຍາດ. Follow this guide in order to take full control or ownership of the above registry key and again set the value to 0.
5.Most probably, after doing this step, your Windows Defender will start working on your system properly without any problem.
ວິທີທີ່ 6 - Set Windows Defender Service to Automatic
ຫມາຍເຫດ: ຖ້າບໍລິການ Windows Defender ແມ່ນສີຂີ້ເຖົ່າຢູ່ໃນ Services Manager ຕິດຕາມໂພສນີ້.
1.ກົດ Windows Key + R ແລ້ວພິມ servicesmsc ແລະກົດ Enter.
2.ຊອກຫາການບໍລິການຕໍ່ໄປນີ້ຢູ່ໃນປ່ອງຢ້ຽມບໍລິການ:
ບໍລິການກວດກາເຄືອຂ່າຍປ້ອງກັນໄວຣັດ Windows Defender
ບໍລິການປ້ອງກັນໄວຣັດ Windows Defender
ບໍລິການສູນຄວາມປອດໄພ Windows Defender
3.Double-click ໃສ່ແຕ່ລະຄົນຂອງພວກເຂົາແລະໃຫ້ແນ່ໃຈວ່າປະເພດ Startup ຂອງພວກເຂົາຖືກຕັ້ງຄ່າ ອັດຕະໂນມັດ ແລະຄລິກເລີ່ມຕົ້ນຖ້າຫາກວ່າການບໍລິການຍັງບໍ່ໄດ້ດໍາເນີນການແລ້ວ.
4.ກົດ Apply ຕາມດ້ວຍ OK.
5.Reboot PC ຂອງທ່ານເພື່ອບັນທຶກການປ່ຽນແປງແລະເບິ່ງວ່າທ່ານສາມາດ Fix Can’t Turn ON Windows Defender issue.
ວິທີທີ່ 7 - Set Correct Date & Time
1. ກົດທີ່ ວັນທີແລະເວລາ ໃນແຖບວຽກແລະຫຼັງຈາກນັ້ນເລືອກ "ການຕັ້ງຄ່າວັນທີແລະເວລາ. "
2. ຖ້າຢູ່ໃນ Windows 10, ເຮັດໃຫ້ "ຕັ້ງເວລາອັດຕະໂນມັດ"ໄປ"on. "
3. ສໍາລັບຄົນອື່ນ, ໃຫ້ຄລິກໃສ່ "ເວລາອິນເຕີເນັດ" ແລະຫມາຍຕິກໃສ່ ".synchronize ອັດຕະໂນມັດກັບເຄື່ອງແມ່ຂ່າຍທີ່ໃຊ້ເວລາອິນເຕີເນັດ. "
4.ເລືອກເຊີບເວີ “time.windows.com” ແລະໃຫ້ຄລິກໃສ່ການປັບປຸງແລະ “OK”. ທ່ານບໍ່ຈໍາເປັນຕ້ອງເຮັດສໍາເລັດການປັບປຸງ. ພຽງແຕ່ຄລິກ OK.
Again check if you are able to Fix Windows Defender Does Not Start issue or not, if not then continue with the next method.
Method 8 – Run CCleaner and Malwarebytes
1.ດາວໂຫລດແລະຕິດຕັ້ງ CCleaner & Malwarebytes.
2.ແລ່ນ Malwarebytes ແລະປ່ອຍໃຫ້ມັນສະແກນລະບົບຂອງທ່ານສໍາລັບໄຟລ໌ອັນຕະລາຍ.
3.ຖ້າຫາກວ່າ malware ຖືກພົບເຫັນ, ມັນຈະເອົາໃຫ້ເຂົາເຈົ້າອັດຕະໂນມັດ.
4.ຕອນນີ້ແລ່ນ CCleaner ແລະໃນສ່ວນ "Cleaner", ພາຍໃຕ້ແຖບ Windows, ພວກເຮົາແນະນໍາໃຫ້ກວດເບິ່ງການເລືອກຕໍ່ໄປນີ້ເພື່ອເຮັດຄວາມສະອາດ:
5.ເມື່ອໃດທີ່ທ່ານໄດ້ເຮັດໃຫ້ແນ່ໃຈວ່າຈຸດທີ່ເຫມາະສົມແມ່ນການກວດສອບ, ພຽງແຕ່ຄລິກໃສ່ ແລ່ນ Cleaner, ແລະໃຫ້ CCleaner ດໍາເນີນການຫຼັກສູດຂອງມັນ.
6. ເພື່ອເຮັດຄວາມສະອາດລະບົບຂອງທ່ານຕື່ມອີກເລືອກແຖບ Registry ແລະໃຫ້ແນ່ໃຈວ່າມີການກວດສອບຕໍ່ໄປນີ້:
7.ເລືອກ Scan for Issue ແລະອະນຸຍາດໃຫ້ CCleaner ສະແກນ, ຈາກນັ້ນຄລິກ ແກ້ໄຂບັນຫາທີ່ເລືອກ.
8. ເມື່ອ CCleaner ຖາມ “ທ່ານຕ້ອງການການປ່ຽນແປງສໍາຮອງຂໍ້ມູນກັບການຈົດທະບຽນ?” ເລືອກ Yes.
9. ເມື່ອການສໍາຮອງຂໍ້ມູນຂອງທ່ານສໍາເລັດ, ເລືອກແກ້ໄຂບັນຫາທີ່ເລືອກທັງຫມົດ.
10.Restart PC ຂອງທ່ານເພື່ອບັນທຶກການປ່ຽນແປງ ແລະເບິ່ງວ່າທ່ານສາມາດ Fix Can’t Turn ON Windows Defender issue.
Method 9 – Update Windows Defender
1.ກົດ Windows Key + X ແລ້ວເລືອກ Command Prompt (Admin).
2. ພິມຄໍາສັ່ງຕໍ່ໄປນີ້ໃສ່ cmd ແລ້ວກົດ Enter ຫຼັງຈາກແຕ່ລະອັນ:
“%PROGRAMFILES%Windows DefenderMPCMDRUN.exe” -RemoveDefinitions -All
“%PROGRAMFILES%Windows DefenderMPCMDRUN.exe” -SignatureUpdate
3.Once the command finish processing, close cmd and reboot your PC.
Method 10 – Update Windows 10
1.ກົດ Windows Key + I ເພື່ອເປີດການຕັ້ງຄ່າ ຈາກນັ້ນຄລິກທີ່ “ປັບປຸງແລະຄວາມປອດໄພ” ຮູບສັນຍາລັກ.
2.Now ຈາກປ່ອງຢ້ຽມເບື້ອງຊ້າຍມືເຮັດໃຫ້ແນ່ໃຈວ່າການເລືອກ Windows Update.
3. ຕໍ່ໄປ, ໃຫ້ຄລິກໃສ່ "ກວດສອບການປັບປຸງ” ກົດປຸ່ມ ແລະໃຫ້ Windows ດາວໂຫຼດ ແລະຕິດຕັ້ງການອັບເດດທີ່ຍັງຄ້າງຢູ່.
ແນະນໍາໃຫ້:
Hopefully, above mentioned all methods will help you to Fix Unable to turn on Windows Defender in Windows 10 Issue. However, you need to understand that these methods should be followed systematically. In case you have more questions related to this problem leave your comments below.
