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Bsod Error C00021a

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Windows EXE Errors EXE Error Help for XP, Vista, Windows 7 & 8 Home About Recommended Software Computer Terms Site Map Subscribe Click Reinstall Windows (your not actually going to reinstall). If you are not comfortable opening your PC and replacing your memory, bring your computer to a qualified technician. Windows STOP c000021a Fatal System Error occurs when the Windows kernel detects that either Csrss.exe or Winlogon.exe service processes have stop responding or have failed to load. Source

Plug your computer back in and restart it. Shutdown your computer and unplug it again. Memory) Windows service pack has failed to install correctly. Option 5: FOR WINDOWS XP USERS - Repair From Your Windows Disk Turn on your computer and put in your Windows XP disk.

Stop C000021a Fatal System Error Windows 7

Option 1: Make Sure Your PC Drivers Are Updated (DO THIS FIRST!) Missing or corrupt drivers are responsible for many bluescreen errors. After Windows runs through the repair process, you should be able to get back into Windows and your stop error should be gone. What Causes Stop Error c000021a? Format your hard drive and reinstall Windows.

When this happens, Windows stops the system completely and then generates the fatal system error message. There can be many reasons why you are experiencing this error: Corrupt or missing hardware drivers Faulty hardware (i.e. Check to see if your are still receiving the stop error message. Fatal System Error C00021a Fix Third-party software applications on your computer are causing kernel level conflicts.

To avoid stop errors in the future, always make sure you are running a good anti-virus program and also run Malwarebytes on a normal basis to ensure your PC is not On the next screen, click "Repair" again. Your computer has corrupted system files either due to a faulty shutdown or virus/malware.

Press f12, or whatever key allows you to enter your boot option screen.

Follow the instructions on the screen. Windows 10 Error C000021a Previous post: Wmiprvse.exe Application Error Help Next post: Fix Svchost.exe Application Error - Memory Could Not Be Written December 2016 M T W T F S S « Aug There are some cases where users are experiencing the stop error during the system boot procedure and thus cannot get to the Windows desktop to perform the task listed below in Known Solutions NOTE: The solutions listed below are assuming that you are receiving the stop error AFTER Windows is running.

C000021a Fatal System Error In Windows Xp

Place your battery back in, plug in your computer, and restart it. Option 6: Backup Your Files and Reinstall Windows (Last Resort) Backup all your important files either to another hardrive or burn them to a CD/DVD. Stop C000021a Fatal System Error Windows 7 The stop error message usually reads: STOP: c000021a {Fatal System Error} The Windows Logon Process system process terminated unexpectedly with a status of 0xc06d007e (0×00000000 0×00000000). Stop C00002la Fatal System Error Windows 7 The Verification Knowndll Failed Option 4:  Perform a Windows System Restore Press CTRL+SHIFT+ESC on your keyboard to launch Task Manager Click on the Application tab and click "New Task" then "Browse" Go to C:\Windows\System32\Restore\ folder

Before taking the steps below, we recommend you perform a free driver scan with DriverFinder and make sure all your drivers are up-to-date. this contact form Choose the option that allows you to boot from a CD. On the next screen there should be two options "Repair" and "Reinstall". Option 3: Test or Swap Out Your Memory (RAM) Bad or faulty RAM is known to cause many bluescreen errors and can usually be replaced for cheap. C000021a Windows 10

Option 3: Take Out The Battery Unplug your computer and take out the battery. (It looks like a watch battery on your motherboard). Before swapping it out, run Memtest86+ to test OVERNIGHT to see if it reports any errors. Windows System Restore failed during the rollback process. http://afede.org/fatal-system/bsod-stop-c00021a.html The system has been shut down.

Option 2: Run Chkdsk Command Run chkdsk: Go to a command prompt and type "chkdsk /f". Stop C00021a Fatal System Error The Windows Subsystem System Process Terminated Unexpectedly If your PC is crashing to fast once in Windows, start your computer in Safe Mode by pressing the F8 key during system boot.