Haddii aad isku dayeyso inaad cusboonaysiiso Difaaca Windows^{(Windows Defender)} adoo isticmaalaya Windows Update , markaa waxaa laga yaabaa inaad la kulanto koodka qaladka 0x80070643 kaas oo la socda fariinta qaladka " Qeexida Cusboonaysiinta^{(Definition Update)} ee Difaaca Windows - Error 0x80070643^{(Windows Defender – Error 0x80070643)} ". Koodhka qaladku wuxuu caadi ahaan ka dhigan yahay in khalad dilaa ah uu dhacay intii lagu jiray rakibidda, laakiin ma jirto sabab gaar ah oo la xidhiidha khaladkan. Sidoo kale, khaladku run ahaantii ma bixiyo macluumaad badan, laakiin Microsoft way qiratay arrinta, tanina waa bayaankooda rasmiga ah:

Waad ku mahadsan tahay dulqaadkaaga ku saabsan qaladka cusboonaysiinta Difaaca Windows 0x80070643. Akhri hagahayaga sida loo hagaajiyo Windows 10 Cusbooneysii ama Code Error Code ^{(How to fix Windows 10 Update or Activation Error Code 0xc004f075 here)}0xc004f075^{(How to fix Windows 10 Update or Activation Error Code 0xc004f075 here)} halkan . sida ugu macquulsan. Dhanka kale, si aad mashiinkaaga ugu soo celiso xaalad la ilaaliyo, waxaad gacanta ku soo dejisan kartaa oo aad codsan kartaa Cusbooneysii Qeexid ee u dambeeyay.^{(Thank you for your patience regarding Windows Defender update error 0x80070643. Read our guide on How to fix Windows 10 Update or Activation Error Code 0xc004f075 here.. Read our guide on How to fix Windows 10 Update or Activation Error Code 0xc004f075 here.. We are aware of the issue and trying to roll out mitigation as soon as possible. Meanwhile, to get your machine back to a protected state, you can manually download and apply the latest Definition Update.)}

Hadda waxaa jira dhowr hagaajin ama xallinta dhibaatada, laakiin waxaad u baahan tahay inaad isku daydo dhammaantood sababtoo ah waxa u shaqeyn kara hal isticmaale macnaheedu maaha inay u shaqeyn doonto isticmaale kale. Markaa annagoon wax wakhti lumin aan aragno sida loo hagaajiyo Cusbooneysiinta Difaaca Windows waxay ku guul dareysataa qaladka 0x80070643 iyadoo la kaashanayo hagaha cilad-bixinta ee hoos ku qoran. Sidoo kale akhri sida loo sameeyo Windows Defender Definition Update halkan^{(How to Perform Windows Defender Definition Update here)} .. Sidoo kale akhri sida loo sameeyo Windows Defender Definition Update halkan^{(How to Perform Windows Defender Definition Update here)} ..

Hagaaji Cusboonaysiinta Difaaca Windows^{(Fix Windows Defender Update)} waxay ku guul dareysataa qaladka 0x80070643

Hubi inaad  abuurto barta soo celinta^{(create a restore point)}  haddii ay wax qaldamaan.

Habka 1: Cusbooneysii Daafaca Windows gacanta^{(Method 1: Update Windows Defender Manually)}

1. Riix Windows Key + Q si aad u soo qaadato Windows Search , ku qor Windows Defender oo guji natiijada raadinta.

2. U gudub Update > Update definitions.

3. Guji ^(Click)Cusbooneysii^(Update) oo sugo Windows Defender si uu u soo dejiyo oo u rakibo updates.

4. Dib u bilow kombayutarkaga si aad u badbaadiso isbedelada.

Habka 2:  ^{(Method 2: )}Si ku meel gaadh ah u dami Antivirus-ka kooxda 3aad^{(Temporarily Disable 3rd party Antivirus)}

1. Midig ku dhufo astaanta barnaamijka Antivirus-^{( Antivirus Program icon)} ka ee ku yaal saxanka nidaamka oo dooro Disable.

2. Marka xigta, dooro wakhtiga uu Antivirus-ku sii ahaan doono mid curyaan ah.^{( Antivirus will remain disabled.)}

Xusuusin:^(Note:) Dooro wakhtiga ugu yar ee suurtogalka ah, tusaale ahaan, 15 daqiiqo ama 30 daqiiqo.

3. Marka la dhammeeyo, mar kale isku day inaad socodsiiso Windows Defender oo arag haddii aad awoodid inaad hagaajiso Windows Defender Update ku guuldareysto qaladka 0x80070643.^{(Fix Windows Defender Update fails with error 0x80070643.)}

Habka 3: Orod SFC iyo CHKDSK^{(Method 3: Run SFC and CHKDSK)}

1. Fur Command Prompt . Isticmaaluhu wuxuu samayn karaa tallaabadan isagoo raadinaya 'cmd' ka dibna taabo Gelida.

2. Hadda ku qor kan soo socda cmd oo ku dhufo gal:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows

3. Sug^(Wait) habka kor ku xusan si uu u dhammeeyo iyo marka la sameeyo, dib u bilow PC.

4. Marka xigta, orod  CHKDSK si aad u hagaajiso khaladaadka nidaamka faylka^{(CHKDSK to Fix File System Errors)} .

5. U ogolow habka kor ku xusan inuu dhammaystiro oo mar kale dib u bilaabo kombuyuutarkaaga si loo badbaadiyo isbeddellada.

Habka 4: Samee Boot Nadiif ah^{(Method 4: Perform Clean Boot)}

Mararka qaarkood software-ka xisbiga 3aad wuxuu khilaafi karaa Windows wuxuuna keeni karaa arrinta. Si loo hagaajiyo Cusbooneysiinta Difaaca Windows waxay ku guuldareysatay qaladka 0x80070643 Issue^{(Fix Windows Defender Update fails with error 0x80070643 Issue)} , waxaad u baahan tahay inaad ku sameyso boot nadiif^{(perform a clean boot)}  ah PC-gaaga oo aad u baarto arrinta tallaabo tallaabo.

Habka 5: Isticmaal amarka degdega ah si aad u cusboonaysiiso Windows Defender^{(Method 5: Use the command prompt to update Windows Defender)}

1. Fur Command Prompt . Isticmaaluhu wuxuu samayn karaa tallaabadan isagoo raadinaya 'cmd' ka dibna taabo Gelida.

2. Ku qor amarka soo socda cmd oo ku dhufo Gelida^(Enter) mid kasta:

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -RemoveDefinitions -All

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate

3. Marka amarku dhameeyo habaynta, xidh cmd oo dib u bilow kombayutarkaga.

Habka 6: Dib u dabee Qaybaha Cusbooneysiinta Windows^{(Method 6: Reset Windows Updates Components)}

1. Fur Command Prompt . Isticmaaluhu wuxuu samayn karaa tallaabadan isagoo raadinaya 'cmd' ka dibna taabo Gelida.

2. Hadda ku qor amarradan soo socda si aad u joojiso Adeegyada ^(Services)Cusbooneysiinta Windows^{(Windows Update)} ka dibna ku dhufo Gelida^(Enter) mid kasta:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver

3. Marka xigta, ku qor amarka soo socda si aad u magacawdo FolderDistribution Folder^{(SoftwareDistribution Folder)} ka dibna ku dhufo Enter :

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old

4. Ugu dambeyntii, ku qor amarka soo socda si aad u bilowdo Adeegyada ^(Services)Cusbooneysiinta Windows^{(Windows Update)} oo ku dhufo Enter ka dib mid kasta:

net start wuauserv
net start cryptSvc
net start bits
net start msiserver

5. Dib u kici kombayutarkaga si aad u badbaadiso isbedelada oo hubi inaad hagaajin karto  Windows Defender Update oo ku guul daraystay qaladka 0x80070643.^{( Fix Windows Defender Update fails with error 0x80070643.)}

Habka 7: Samee cilladaha Cusbooneysiinta Windows^{(Method 7: Run Windows Update Troubleshooter)}

1. Fur kontoroolka ka dibna ka baadh cilad-sheegidda goobta raadinta^{(Search Bar)} ee dhinaca sare ee midigta ka dibna dhagsii Troubleshooting .^{(Troubleshooting.)}

2. Marka xigta, daaqada bidix, shayga dooro View all.

3. Ka dib liiska dhibaatooyinka^{(Troubleshoot)} kombiyuutarka ka dooro Windows Update.

4. Raac tilmaamaha shaashadda oo u ogolow Windows Update Troubleshoot inuu socdo.

5. Dib u bilow kombayutarkaga, waxaana laga yaabaa inaad awoodo inaad hagaajiso Windows Defender Update oo ku guul darreysato qaladka 0x80070643.^{(Fix Windows Defender Update fails with error 0x80070643.)}

lagu taliyay:^{(Recommended:)}

• Hagaajinta dib-u-ciyaarista Fiidiyowga ee Windows 10^{(Fix Video Playback Freezes on Windows 10)}
• Hagaaji wax cod ah oo ka imanaya taleefoonnada dhegaha ee Windows 10^{(Fix No sound from headphone in Windows 10)}
• Sida loo hagaajiyo Sec_error_expired_certificate^{(How to Fix Sec_error_expired_certificate)}
• Hagaaji Favorites ka maqan Internet Explorer Windows 10^{(Fix Favorites missing in Internet Explorer on Windows 10)}

Taasi waa waxa aad si guul leh u hagaajisay Cusboonaysiinta Difaaca Windows waxay ku guuldareysatay qaladka 0x80070643^{(Fix Windows Defender Update fails with error 0x80070643)} laakiin haddii aad wali wax su'aalo ah ka qabto boostadan waxaad xor u tahay inaad ku waydiiso qaybta faallooyinka.

Fix Windows Defender Update fails with error 0x80070643

If you are trуing to update Windowѕ Defendеr using Windows Update, then you may have to face error code 0x80070643 which accompаnies the error message “Definition Update for Windows Defender – Error 0x80070643”. The еrror code typically means that a fatal error hаs occurred during the installation, but therе is no particular cause associated with this error. Also, the error dоesn’t really рrovide much information, but Microsoft has acknowledged the issue, and this іѕ their official statemеnt:

Thank you for your patience regarding Windows Defender update error 0x80070643. Read our guide on How to fix Windows 10 Update or Activation Error Code 0xc004f075 here.. Read our guide on How to fix Windows 10 Update or Activation Error Code 0xc004f075 here.. We are aware of the issue and trying to roll out mitigation as soon as possible. Meanwhile, to get your machine back to a protected state, you can manually download and apply the latest Definition Update.

Now there are few fixes or workaround the problem, but you need to try them all because what may work for one user doesn’t necessarily mean that it will work for another user. So without wasting any time let’s see how to Fix  Windows Defender Update fails with error 0x80070643 with the help of below-listed troubleshooting guide. Also read How to Perform Windows Defender Definition Update here.. Also read How to Perform Windows Defender Definition Update here..

Fix Windows Defender Update fails with error 0x80070643

Make sure to create a restore point just in case something goes wrong.

Method 1: Update Windows Defender Manually

1. Press Windows Key + Q to bring up Windows Search, type Windows Defender and click on the search result.

2. Navigate to Update > Update definitions.

3. Click on Update and wait for Windows Defender to download and install updates.

4. Reboot your PC to save changes.

Method 2: Temporarily Disable 3rd party Antivirus

1. Right-click on the Antivirus Program icon from the system tray and select Disable.

2. Next, select the time frame for which the Antivirus will remain disabled.

Note: Choose the smallest amount of time possible, for example, 15 minutes or 30 minutes.

3. Once is done, again try to run Windows Defender and see if you’re able to Fix Windows Defender Update fails with error 0x80070643.

Method 3: Run SFC and CHKDSK

1. Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

2. Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows

3. Wait for the above process to finish and once done, restart your PC.

4. Next, run CHKDSK to Fix File System Errors.

5. Let the above process complete and again reboot your PC to save changes.

Method 4: Perform Clean Boot

Sometimes 3rd party software can conflict with Windows and can cause the issue. To Fix Windows Defender Update fails with error 0x80070643 Issue, you need to perform a clean boot on your PC and diagnose the issue step by step.

Method 5: Use the command prompt to update Windows Defender

1. Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

2. Type the following command into cmd and hit Enter after each one:

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -RemoveDefinitions -All

“%PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” -SignatureUpdate

3. Once the command finishes processing, close cmd and reboot your PC.

Method 6: Reset Windows Updates Components

1. Open Command Prompt. The user can perform this step by searching for ‘cmd’ and then press Enter.

2. Now type the following commands to stop Windows Update Services and then hit Enter after each one:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver

3. Next, type the following command to rename SoftwareDistribution Folder and then hit Enter:

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old

4. Finally, type the following command to start Windows Update Services and hit Enter after each one:

net start wuauserv
net start cryptSvc
net start bits
net start msiserver

5. Reboot your PC to save changes and check if you can Fix Windows Defender Update fails with error 0x80070643.

Method 7: Run Windows Update Troubleshooter

1. Open control panel and then search Troubleshooting in the Search Bar on the top right side and click on Troubleshooting.

2. Next, from the left window, pane select View all.

3. Then from the Troubleshoot computer problems list select Windows Update.

4. Follow on-screen instruction and let the Windows Update Troubleshoot run.

5. Restart your PC, and you may be able to Fix Windows Defender Update fails with error 0x80070643.

Recommended:

• Fix Video Playback Freezes on Windows 10
• Fix No sound from headphone in Windows 10
• How to Fix Sec_error_expired_certificate
• Fix Favorites missing in Internet Explorer on Windows 10

That’s it you have successfully Fix Windows Defender Update fails with error 0x80070643 but if you still have any questions regarding this post then feel free to ask them in the comment’s section.

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