Blue Screen Error C000021a
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or BSOD error or kernel error). The stop error message usually reads: STOP: c000021a {Fatal System Error} The Windows Logon Process system process terminated unexpectedly with bluescreen c000021a a status of 0xc06d007e (0×00000000 0×00000000). The system has been shut down. What bsod c000021a Causes Stop Error c000021a? Windows STOP c000021a Fatal System Error occurs when the Windows kernel detects that either Csrss.exe or Winlogon.exe blue screen stop c00021a fatal system error service processes have stop responding or have failed to load. When this happens, Windows stops the system completely and then generates the fatal system error message. There can be many reasons why you http://answers.microsoft.com/en-us/windows/forum/all/blue-screen-error-c000021a-fatal-system-error/549075f8-f695-4047-b747-2b4e118e1ffd are experiencing this error: Corrupt or missing hardware drivers Faulty hardware (i.e. Memory) Windows service pack has failed to install correctly. Your computer has corrupted system files either due to a faulty shutdown or virus/malware. Windows System Restore failed during the rollback process. Third-party software applications on your computer are causing kernel level conflicts. Known Solutions NOTE: The solutions listed below are assuming that you are receiving http://windows-exe-errors.com/stop-c000021a-fatal-system-error/ the stop error AFTER Windows is running. 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 order. Option 1: Make Sure Your PC Drivers Are Updated (DO THIS FIRST!) Missing or corrupt drivers are responsible for many bluescreen errors. 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. Option 2: Run Chkdsk Command Run chkdsk: Go to a command prompt and type "chkdsk /f". Option 3: Take Out The Battery Unplug your computer and take out the battery. (It looks like a watch battery on your motherboard). Plug your computer back in and restart it. Shutdown your computer and unplug it again. Place your battery back in, plug in your computer, and restart it. Check to see if your are still receiving the stop error message. 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. Before swapping it out, run Memtest86+ to test OVERNIGHT to s
Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks. Windows 7 Help Forums Windows 7 http://www.sevenforums.com/bsod-help-support/279860-c000021a-fatal-system-error.html help and support BSOD Help and Support » User Name Remember Me? Password Advanced http://www.brighthub.com/computing/windows-platform/articles/105995.aspx Search Show Threads Show Posts Advanced Search Go to Page... Windows 7: c000021a Fatal System Error Page 1 of 4 1 23 > Last » 24 Feb 2013 #1 sp33dyk Windows 7 Ultimate x64 32 posts c000021a Fatal System Error Hello, Recently I have been getting BSOD's.. got 3rd time in 5 bootups. It happens blue screen on Starting Windows screen. The latest one said something like this: Quote: STOP: c000021a {Fatal System Error} The initial session process or system process terminated unexpectedly with a status of 0x00000000 (0xc0000006 ...... another combination of integers and alphabets which i can't recall) The system has been shut down. And this is not it; I have been getting problems lately. 1. This Starting Windows screen stays for long time, so boot time has doubled blue screen error (or even more) 2. Weeks back, my system went slow overall; I was going to post in here, but before that I ran my Anti-virus, ran defrag tool and these didn't help. Then check disk helped me and everything went like normal. When my system was slow, opening any drive took very long and was really frustrating. And i was amazed when I used to close the window since it took too much time, and when it was time, that drive was explored in a new window. Also, I used to play movies, they used to get stuck in between... and that still happened after my system was faster, but it was kinda rare with some movies only. So now, I am confused about my system. I wonder if both problems are connected to eachother. I doubt it could be my HDD, though this system is just 1.5 years old. PS: I checked on the internet for HDD Diagnostics tool and found this: My PC's specs: Windows 7 64bit 8GB DDR3 RAM 1 TB WD HDD (Device manager reads this: WDC WD10EARX-22N0YB0 ATA Device) AMD Phenom X4 955 BE Please let me know if you require any information. EDIT: I just read, and I will try getting the BSOD error details when I face BSOD and post them here
Windows written by: Donna Buenaventura•edited by: Bill Fulks•updated: 2/9/2011Are you receiving a stop c000021a fatal system error message when using Windows? Do you want to fix a c000021a error code without sending the computer to a local tech shop? Just follow these steps. slide 1 of 4 What Does Stop 0xC000021a Error Code Mean? The Windows 0xC000021a stop error code occurs when critical system processes fails to run, like when the Winlogon.exe and Csrss.exe processes have stopped working. The Windows NT kernel will detect it and raised the stop C000021a fatal system error message or bluescreen (BSOD). It occurs because of a faulty third-party Graphical Identification and Authentication (GINA) DLL which is a replaceable DLL component that Winlogon.exe loads. There are several causes of bluescreens with the stop c000021a error code. Among them are the following: Mismatched system files have been installed. A Service Pack installation has failed. A backup program that is used to restore a hard disk did not correctly restore files that may have been in use. An incompatible third-party program has been installed. Malware infection. Power supply unit (PSU) needs replacement. slide 2 of 4 How to Fix Stop C000021a Error in Windows All versions of the Windows operating system use winlogon.exe and csrss.exe but if you've recently install new drivers, system services, or programs in Windows, you likely encountered the stop C000021a error message because of the said changes on the system. To try fixing C000021a error in Windows, you need to determine if there is third-party GinaDLL: Open registry editor in Windows by typing regedit.exe in the run box. Hit enter key on the keyboard. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon In the right pane, determine if