Khaladka 0xc000021a waa khalad Shaashadda buluuga^{(Blue Screen)} ah ee dhimashada^(Death) ( BSOD ) kaas oo si aan kala sooc lahayn ugu dhaca kombayutarkaga oo sheegaya in "PC-gaagu dhibaato dhex maray oo uu u baahan yahay inuu dib u bilaabo." Waxaa suurtogal ah in xitaa dib u bilowdo ka dib laga yaabo inaadan awoodin inaad gasho PC-gaaga. Ciladda 0xc000021a waxay dhacdaa marka faylasha WinLogon^(WinLogon) ( Winlogon.exe ) ama Nidaam-hoosaadka Waqtiga Adeegga Macmiilka^{(Client Server-Run Time Subsystem)} ( Csrss.exe ) ay dhaawacmaan. Winlogon ayaa mas'uul ka ah maaraynta habka gelitaanka iyo ka bixida iyo nidaamka -hoosaadka Wakhtiga Hawl-^{(Client Server-Run Time Subsystem)} galka Adeegga Macmiilku waxa iska leh Macmiilka Microsoft^{(Microsoft Client)} ama Server -ka^(Server). Haddii labadan faylal ay dhaawacmaan, markaas waxaad arki doontaa fariinta qaladka:

JOOJI: c000021a {Qaladad Fatal System}
Nidaamkii nidaam hoosaadka Windows waxa uu u dhamaaday si lama filaan ah isagoo leh heerka 0xc0000005.
Nidaamka waa la xiray.

Sidoo kale, khaladku wuxuu u muuqdaa inuu dhaco sababtoo ah tirada soo socota ee sababaha:

• Faylasha nidaamka waa dhaawac.
• Software-ka kooxda 3aad ee aan socon karin
• Dareewal musuqmaasuqa, duugoobay ama aan isqaban karin

Hadda oo aad ka warqabto waxa sababa qaladka BSOD 0xc000021a aynu aragno sida dhabta ah loo saxo BSOD Error 0xc000021a gudaha Windows 10^{(Fix BSOD Error 0xc000021a in Windows 10)} oo leh tillaabooyinka cilad-bixinta ee hoos ku qoran.

Fiiro gaar ah: Hubi^(Make) inaad haysatid Rakibaadda^{(Installation)} Windows ama Disc Recovery^{(Recovery Disc)} ka hor intaadan sii wadin.

Hagaaji BSOD 0xc000021a^{(Fix BSOD Error 0xc000021a)} gudaha Windows 10

Hadday ku jirto Windows 10 ka dibna karti Legacy Advanced Boot ^{(Enable Legacy Advanced Boot)} Options Screen .

Method 1: Run Startup/Automatic Repair

1. Geli Windows 10 DVD rakibaadda bootable oo dib u bilow kombayutarkaga.

2. Marka laguu sheego in aad riixdo fure kasta si aad CD-ga ama DVD-ga uga soo saarto, ^(DVD)taabo^(Press) fure kasta si aad u sii wadato.

3. Dooro luuqadaada aad door bidayso, oo guji Next . Guji ^(Click) hagaajin kombayutarka^{(Repair your computer)} dhinaca hoose ee bidix.

4. Markaad doorato shaashadda ikhtiyaarka ah, dhagsii Dhibaataynta^{(Troubleshoot)} .

5. Shaashadda cilladaha^{(Troubleshoot)} , dhagsii ikhtiyaarka Advanced^{( Advanced option)} .

6. Shaashadda Sare^(Advanced) ee xulashada, dhagsii Dayactir toos ah ama Dayactir Bilow^{(Automatic Repair or Startup Repair)} .

7. Sug^(Wait) ilaa inta ay ka dhamaanayso Windows Automatic/Startup Repairs .

8. Dib u bilow^(Restart) oo waxaad si guul leh u hagaajisay BSOD Error 0xc000021a^{(Fix BSOD Error 0xc000021a)} gudaha Windows 10 , haddii kale, sii wad.

Sidoo kale Akhri: ^{(Also Read:)} Sida loo hagaajiyo Dayactirka Tooska ah ayaa dib u hagaajin kari waayay PC-gaaga.^{(How to fix Automatic Repair couldn’t repair your PC.)}

Habka 2: Ka Bilow Dib u Habaynta Wanagsan ee Ugu Danbeeyay ee La Ogyahay^{(Method 2: Boot into Last Known Good Configuration)}

Kahor intaadan sii socon aan ka wada hadalno sida loo sahlo Legacy Advanced Boot Menu si aad si fudud ugu hesho Xulashada ^(Options)Bootka^(Boot) :

1. Dib u bilow Windows 10 kaaga.

2. Marka uu nidaamku dib u bilaabmo gal BIOS setup oo ku habbee kombayutarkaga si uu CD/DVD uga bootiyo .

3. Geli Windows 10 DVD rakibida bootable oo dib u bilow kombayutarkaga.

4. Marka laguu sheego in aad riixdo fure kasta si aad CD-ga ama DVD-ga uga soo saarto, ^(DVD)taabo^(Press) fure kasta si aad u sii wadato.

5. Dooro luuqadaada aad door bidayso, ^{(language preferences, )} oo taabo Next. Guji hagaajin kombayutarka^{( Click Repair)} dhinaca hoose ee bidix.

6. Markaad doorato shaashadda ikhtiyaarka ah, dhagsii Dhibaatada^{(Troubleshoot)} .

7. Shaashadda cillad^{(Troubleshoot)} -bixinta , dhagsii ikhtiyaarka Advanced^{(Advanced option)} .

8. Shaashada sare^(Advanced) ee fursadaha, dhagsii Command Prompt .

9. Marka Command Prompt ( CMD ) uu furo nooca C: oo ku dhufo geli.

10. Hadda ku qor amarka soo socda:

BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

11. Oo ku dhufo geli si aad u suurtageliso Legacy Advanced Boot Menu.^{(Enable Legacy Advanced Boot Menu.)}

12. Xidh Command Prompt oo dib ugu noqo Dooro^(Choose) shaashada ikhtiyaarka ah, dhagsii Continue si aad dib u bilowdo Windows 10 .

13. Ugu dambeyntii, ha ilaawin inaad iska saarto Windows 10 rakibaadda DVD si aad u hesho fursadaha Boot.^{( Boot options.)}

14. Shaashadda Boot Options , dooro " Qaabaynta Wanaagsan ee La Ogyahay (Advanced). ^{(Last Known Good Configuration (Advanced).)}”

Tani waxay hagaajin doontaa BSOD Error 0xc000021a^{(Fix BSOD Error 0xc000021a)} gudaha Windows 10 , haddaysan ahayn markaa sii wad habka xiga.

Habka 3: Ka saar software-ka xisbiga 3aad ee Mode Safe^{(Method 3: Uninstall 3rd party software in Safe Mode)}

Adigoo isticmaalaya hagaha sare^(Advanced) ee xulashada boot sare, dooro Qaabka Nabdoon^{(Safe Mode)} ka dibna ka saar barnaamij kasta oo 3rd dhinac ah oo laga yaabo inuu khilaafo Windows^(Windows) .

Habka 4: Run System Restore^{(Method 4: Run System Restore)}

1. Geli warbaahinta rakibaadda Windows ama ^(Windows)Recovery Drive/System Repair Disc oo dooro dookhyada^{(anguage preferences)} luuqadaada , oo taabo Next

2. Guji dayactirka^{( Repair)} kumbuyuutarkaaga xagga hoose.

3. Hadda, dooro Troubleshoot ka dibna Advanced Options.

4. Ugu dambeyntii, guji " System Restore " oo raac tilmaamaha shaashadda si aad u dhamaystirto soo celinta.

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

Habka 5: Orod Taliska DISM^{(Method 5: Run DISM Command)}

1. Mar labaad ka fur Command Prompt habka kor ku xusan.

2. Ku qor amarka soo socda cmd oo ku dhufo gal mid kasta ka dib:

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

3. Amarka DISM ha shaqeeyo oo sug inta uu dhammeynayo.

4. Haddii amarka kore aanu shaqayn, ka dib isku day kan hoose:

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

Xusuusin: ^(Note:) Ku beddel^(Replace) C:RepairSourceWindows ishaada dayactirka ( Windows Installation or Recovery Disc ).

5. Dib u kici kombayutarkaga si aad u badbaadiso isbedelada, taasina waa inay  hagaajisaa BSOD Error 0xc000021a gudaha Windows 10.^{( Fix BSOD Error 0xc000021a in Windows 10.)}

Habka 6: Dami Dhaqangelinta Saxeexa Darawalka^{(Method 6: Disable Driver Signature Enforcement)}

1. Mar labaad^(Again) fur amarka sare ee habka kore.

bcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS
bcdedit -set TESTSIGNING ON

3. Dib u kici kombayutarka oo arag haddii aad awood u leedahay inaad  hagaajiso BSOD Error 0xc000021a^{(Fix BSOD Error 0xc000021a)} gudaha Windows 10 .

Fiiro gaar ah:^(Note:) Haddii aad rabto inaad mustaqbalka awood u yeelato fulinta saxeexa, dabadeed fur Command Prompt (oo leh xuquuqaha maamulka) oo u qor amarradan sida ay u kala horreeyaan:

bcdedit -set loadoptions ENABLE_INTEGRITY_CHECKS
bcdedit /set testsigning off

Habka 7: Orod SFC iyo CHKDSK^{(Method 7: Run SFC and CHKDSK)}

1. Mar labaad^(Again) u gudub amarka degdegga ah adigoo isticmaalaya habka 1, guji amarka degdegga ah ee shaashadda fursadaha sare .^(Advanced)

sfc /scannow
chkdsk C: /f /r /x

Xusuusin: Hubi^(Make) inaad isticmaashid xarafka wadista halka Windows hadda lagu rakibay. Sidoo kale amarka kor ku xusan C: waa darawalka aan rabno inaan ku hubinno diskka, / f waxay u taagan tahay calanka chkdsk ogolaanshaha si loo hagaajiyo khaladaadka la xiriira darawalka, / r chkdsk ha raadiyo qaybaha xun oo soo kabashada iyo / x wuxuu farayaa saxanka jeeggu inuu ka soo dejiyo darawalka ka hor inta aanu hawsha bilaabin.

3. Ka bax amarka isla markiiba oo dib u bilow kombayutarkaga.

Habka 8: Cusbooneysii ama Dib u dajin PC-gaaga^{(Method 8: Refresh or Reset Your PC)}

1. Dooro Cilad^{( Troubleshooting)} -sheegid marka uu soo muuqdo Boot menu .

2. Hadda kala dooro ikhtiyaarka Dib-u- kicin ama Dib-u-dejin.^{(Refresh or Reset.)}

3. Raac tilmaamaha shaashadda si aad u dhammaystirto Dib^(Reset) -u-habaynta ama Dib-u- cusboonaysiinta^(Refresh) .

4. Hubi inaad haysato OS disc-gii ugu dambeeyay^{(latest OS disc)} (doorbidayaa Windows 10 ) si aad u dhamaystirto hawshan.

lagu taliyay:^{(Recommended:)}

• 0xc000000f: Khalad ayaa dhacay markii la isku dayay inuu akhriyo xogta qaabeynta boot^{(0xc000000f: An Error occurred while attempting to read the boot configuration data)}
• Fix Error 2502 iyo 2503 marka la rakibayo ama la furayo^{(Fix Error 2502 and 2503 while installing or uninstalling)}
• Koodhka qaladka: 0x80070035 Waddada shabakada lama helin^{(Error code: 0x80070035 The network path was not found)}
• Sida loo hagaajiyo Chrome ma furmi doono ama ma bilaabayo^{(How to Fix Chrome Won’t Open or Launch)}

Taasi waa waxa aad si guul leh u hagaajinayso BSOD Error 0xc000021a gudaha Windows 10^{(Fix BSOD Error 0xc000021a in Windows 10)} laakiin haddii aad wali wax su'aalo ah ka qabto boostadan markaa xor u noqo inaad ku weydiiso qaybta faallooyinka.

Fix BSOD Error 0xc000021a in Windows 10

Error 0xc000021a is a Blue Screen of Death (BSOD) error which occurs randomly on your PC and states that “Your PC ran into a problem and neеds to restart.” It’s pоssible that even after a restart you may not bе able to access yoυr PC. The error 0xc000021a occurs when the WinLogon (Winlogon.exe) or Client Server-Run Time Subsystem (Csrss.exe) files are damaged. Winlogon is responsible for handling the login аnd logout processes and Client Server-Run Time Sυbѕystem belongs to Microsoft Client or Server. If these two files are damaged, then уou will see the error message:

STOP: c000021a {Fatal System Error}
The Windows subsystem system process terminated unexpectedly with a status of 0xc0000005.
The system has been shut down.

Also, the error seems to occur because of the following number of reasons:

• System Files are damaged.
• Incompatible 3rd party Software
• Corrupted, outdated or incompatible drivers

Now that you are aware of what causes the BSOD error 0xc000021a let’s see how to actually Fix BSOD Error 0xc000021a in Windows 10 with the below-listed troubleshooting steps.

Note: Make sure you have Windows Installation or Recovery Disc before continuing.

Fix BSOD Error 0xc000021a in Windows 10

If on Windows 10 then Enable Legacy Advanced Boot Options Screen.

Method 1: Run Startup/Automatic Repair

1. Insert the Windows 10 bootable installation DVD and restart your PC.

2. When prompted to Press any key to boot from CD or DVD, press any key to continue.

3. Select your language preferences, and click Next. Click Repair your computer in the bottom-left.

4. On choose an option screen, click Troubleshoot.

5. On Troubleshoot screen, click the Advanced option.

6. On the Advanced options screen, click Automatic Repair or Startup Repair.

7. Wait till the Windows Automatic/Startup Repairs complete.

8. Restart and you have successfully Fix BSOD Error 0xc000021a in Windows 10, if not, continue.

Also Read: How to fix Automatic Repair couldn’t repair your PC.

Method 2: Boot into Last Known Good Configuration

Before going any further let’s discuss how to Enable Legacy Advanced Boot Menu so that you can easily get Boot Options:

1. Restart your Windows 10.

2. As the system restarts enter into BIOS setup and configure your PC to boot from CD/DVD.

3. Insert the Windows 10 bootable installation DVD and restart your PC.

4. When prompted to Press any key to boot from CD or DVD, press any key to continue.

5. Select your language preferences, and click Next. Click Repair your computer in the bottom-left.

6. On choose an option screen, click Troubleshoot.

7. On Troubleshoot screen, click the Advanced option.

8. On Advanced options screen, click Command Prompt.

9. When the Command Prompt(CMD) open type C: and hit enter.

10. Now type the following command:

BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY

11. And hit enter to Enable Legacy Advanced Boot Menu.

12. Close Command Prompt and back on the Choose an option screen, click Continue to restart Windows 10.

13. Finally, don’t forget to eject your Windows 10 installation DVD to get Boot options.

14. On the Boot Options screen, choose  “Last Known Good Configuration (Advanced).”

This would Fix BSOD Error 0xc000021a in Windows 10, if not then continue with the next method.

Method 3: Uninstall 3rd party software in Safe Mode

Using the above guide from the Advanced boot option, select Safe Mode then uninstalls any 3rd party software that might be conflicting with Windows.

Method 4: Run System Restore

1. Put in the Windows installation media or Recovery Drive/System Repair Disc and select your language preferences, and click Next

2. Click Repair your computer at the bottom.

3. Now, choose Troubleshoot and then Advanced Options.

4. Finally, click on “System Restore” and follow on-screen instructions to complete the restore.

5. Restart your PC to save changes.

Method 5: Run DISM Command

1. Again open the Command Prompt from the above-specified method.

2. Type the following command in cmd and hit enter after each one:

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

3. Let the DISM command run and wait for it to finish.

4. If the above command doesn’t work, then try on the below:

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

Note: Replace the C:\RepairSource\Windows with your repair source (Windows Installation or Recovery Disc).

5. Reboot your PC to save changes, and this should Fix BSOD Error 0xc000021a in Windows 10.

Method 6: Disable Driver Signature Enforcement

1. Again open an elevated command prompt from the above method.

bcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS
bcdedit -set TESTSIGNING ON

3. Reboot your computer and see if you’re able to Fix BSOD Error 0xc000021a in Windows 10.

Note: If you want to enable signature enforcement in the future, then open Command Prompt (with administrative rights) and type these commands in order:

bcdedit -set loadoptions ENABLE_INTEGRITY_CHECKS
bcdedit /set testsigning off

Method 7: Run SFC and CHKDSK

1. Again go to command prompt using the method 1, click on command prompt in the Advanced options screen.

sfc /scannow
chkdsk C: /f /r /x

Note: Make sure you use the drive letter where Windows is currently installed. Also in the above command C: is the drive on which we want to check disk, /f stands for a flag which chkdsk the permission to fix any errors associated with the drive, /r let chkdsk search for bad sectors and perform recovery and /x instructs the check disk to dismount the drive before beginning the process.

3. Exit the command prompt and restart your PC.

Method 8: Refresh or Reset Your PC

1. Choose Troubleshooting when the Boot menu appears.

2. Now choose between the option Refresh or Reset.

3. Follow the on-screen instructions to complete the Reset or Refresh.

4. Make sure you have the latest OS disc (preferably Windows 10) to complete this process.

Recommended:

• 0xc000000f: An Error occurred while attempting to read the boot configuration data
• Fix Error 2502 and 2503 while installing or uninstalling
• Error code: 0x80070035 The network path was not found
• How to Fix Chrome Won’t Open or Launch

That’s it you have successfully Fix BSOD Error 0xc000021a in Windows 10 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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