Windows Defender-ni yoqib bo'lmadi

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

Agar biror narsa noto'g'ri bo'lsa, tiklash nuqtasini yaratganingizga ishonch hosil qiling.

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.Windows Key + X tugmalarini bosing va keyin tanlang Buyruqning xohishi (Admin).

2.Tur  sfc / skanek kirib kiring.

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 / Onlayn / Tozalash-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.

3-usul - Toza yuklashni amalga oshiring

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 va Enter tugmasini bosing.

2.On the system configuration Window, you need to navigate to Xizmatlar yorlig'i where you need to check to Barcha Microsoft xizmatlarini yashirish va tugmasini bosing Hammasini o'chirib qo'ying tugmasini bosing.

3.ga o'tish Startup section va ustiga bosing Vazifa menejerini oching.

4.Here you will locate all startup programs. You need to o'ng tugmasini bosing on each program and o'chirib qo'yish 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 changes. Bosing OK.

6.You need to reboot your system and check if you’re able to Fix Can’t Turn ON Windows Defender issue yoki yo'q.

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 services.msc va Enter tugmasini bosing

2.Here you need to search for Xavfsizlik markazi undan keyin o'ng tugmasini bosing on Security Center and choose Qayta ishga tushirish variant.

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. Endi Enter tugmasini bosing.

2.Once you open the registry editor here you need to navigate to:

HKEY_LOCAL_MACHINESOFTWARESolatlarMicrosoftWindows 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.

Eslatma: If you’re facing permission issues then right-click on Windows Defender va tanlash Ruxsatlar. 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.

6-usul - Set Windows Defender Service to Automatic

Eslatma: Agar Windows Defender xizmati Xizmatlar menejerida kulrang bo'lsa ushbu postni kuzatib boring.

1.Windows + R tugmalarini bosing va keyin yozing services.msc va Enter tugmasini bosing.

2. Xizmatlar oynasida quyidagi xizmatlarni toping:

Windows Defender antivirus tarmog'ini tekshirish xizmati
Windows Defender antivirus xizmati
Windows Defender xavfsizlik markazi xizmati

3.Ularning har biriga sichqonchani ikki marta bosing va ishga tushirish turi o'rnatilganligiga ishonch hosil qiling avtomatik va xizmatlar hali ishlamayotgan bo'lsa, Start tugmasini bosing.

4.Ilova ni, keyin esa OK ni bosing.

5.O'zgarishlarni saqlash uchun kompyuteringizni qayta ishga tushiring va imkoningiz borligini tekshiring Fix Can’t Turn ON Windows Defender issue.

7-usul - Set Correct Date & Time

1. ni bosing sana va vaqt vazifalar panelida va keyin "ni tanlangSana va vaqt sozlamalari. "

2.Agar Windows 10 da boʻlsa, “Vaqtni avtomatik sozlash"Ga"on. "

3.Boshqalar uchun "Internet vaqti" ni bosing va "ga belgi qo'ying"Internet vaqt serveri bilan avtomatik sinxronlash. "

4. Serverni tanlang”time.windows.com” va yangilash va “OK” tugmasini bosing. Yangilashni yakunlashingiz shart emas. Shunchaki OK tugmasini bosing.

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. Yuklab oling va o'rnating CCleaner & Zararli dasturlar.

2.Malwarebytes-ni ishga tushiring va tizimingizni zararli fayllar uchun skanerlashiga ruxsat bering.

3. Zararli dastur topilsa, u ularni avtomatik ravishda o'chiradi.

4. Endi yugur CCleaner va Windows yorlig'i ostidagi "Tozalash" bo'limida biz tozalash uchun quyidagi tanlovlarni tekshirishni taklif qilamiz:

5.To'g'ri nuqtalar tekshirilganiga ishonch hosil qilganingizdan so'ng, shunchaki bosing Run Cleaner, va CCleaner o'z yo'nalishini boshqarishiga ruxsat bering.

6.Tizimingizni keyingi tozalash uchun Ro'yxatga olish kitobi yorlig'ini tanlang va quyidagilar tekshirilganligiga ishonch hosil qiling:

7.Scan for Issue-ni tanlang va CCleaner-ga skanerlashiga ruxsat bering, so'ngra bosing Tanlangan muammolarni tuzatish.

8. CCleaner so'ragandaRo'yxatga olish kitobiga zaxira o'zgarishlar kiritilishini xohlaysizmi?” Ha ni tanlang.

9. Zaxira nusxasi tugallangach, Barcha tanlangan muammolarni tuzatish ni tanlang.

10. O'zgarishlarni saqlash va imkoningiz borligini bilish uchun kompyuteringizni qayta ishga tushiring Fix Can’t Turn ON Windows Defender issue.

Method 9 – Update Windows Defender

1.Windows Key + X tugmalarini bosing va keyin tanlang Buyruqning xohishi (Admin).

2. cmd ga quyidagi buyruqni kiriting va har biridan keyin Enter tugmasini bosing:

“%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. Sozlamalarni ochish uchun Windows + I tugmalarini bosing va keyin “Yangilash va xavfsizlik”Belgisi.

2.Endi chap tomondagi oyna panelidan tanlaganingizga ishonch hosil qiling Windows Update.

3.Keyingi, "-ni bosing.Yangilanishlarni tekshiring” tugmasini bosing va Windows-ga kutilayotgan yangilanishlarni yuklab olish va o‘rnatishga ruxsat bering.

Tavsiya:

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.