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Stop 21a Fatal System Error Vista

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Kind Regards Dave Back to top #8 Anshad Edavana Anshad Edavana BC Advisor 2,805 posts OFFLINE Gender:Male Location:India Local time:02:48 PM Posted 22 May 2013 - 10:49 PM Hi Thanks again for pointing me in the right direction. Click Reinstall Windows (your not actually going to reinstall). Check to see if your are still receiving the stop error message. have a peek at this web-site

Using the site is easy and fun. If we have ever helped you in the past, please consider helping us. Option 5: FOR WINDOWS XP USERS - Repair From Your Windows Disk Turn on your computer and put in your Windows XP disk. I have tested the hard drive and got a code / status error on my Western Digital hard drive of 0225, according to WD web site the drive is beyond repair https://answers.microsoft.com/en-us/windows/forum/all/blue-screen-error-c000021a-fatal-system-error/549075f8-f695-4047-b747-2b4e118e1ffd

Stop C000021a Windows 7

You should run a long test. Register a free account to unlock additional features at BleepingComputer.com Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers. If I run startup repair it doesn't fix it, if I try to run SFC /SCANNOW it wont as it says it has a repair pending.

or read our Welcome Guide to learn how to use this site. In seatool there is both short and long tests available. You never know when one will leave you. Fatal System Error C00021a Fix Also i recommend verifying the condition of your hardware parts especially hard disk even if you decided to go through a reinstall.

There is a known Windows update which cause this issue -http://support.microsoft.com/kb/2839011 Try restoring the system to a date prior to this is happened. C000021a Fatal System Error In Windows Xp Plug your computer back in and restart it. 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.

However I still have the problem, just a quick ask really, does anyone think I can recover from this or could I save a lot of time and reinstall windows.

Option 3: Take Out The Battery Unplug your computer and take out the battery. (It looks like a watch battery on your motherboard). Windows 10 Error C000021a I cannot boot at all, not even safe mode or last known good configuration. Regards Dave Back to top #5 Anshad Edavana Anshad Edavana BC Advisor 2,805 posts OFFLINE Gender:Male Location:India Local time:02:48 PM Posted 21 May 2013 - 12:01 PM Hi Bluescreen Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site.

C000021a Fatal System Error In Windows Xp

When this happens, Windows stops the system completely and then generates the fatal system error message. https://neosmart.net/wiki/0xc000021a/ If your PC is crashing to fast once in Windows, start your computer in Safe Mode by pressing the F8 key during system boot. Stop C000021a Windows 7 Site Changelog Community Forum Software by IP.Board Sign In Use Facebook Use Twitter Need an account? Stop C00002la Fatal System Error Windows 7 The Verification Knowndll Failed I will get to work testing the hard drive now.

Your computer has corrupted system files either due to a faulty shutdown or virus/malware. Check This Out For software problems, reinstall is the easy solution but you will need to reinstall and rectivate all softwares also. Regards Dave Back to top #7 egarrim egarrim Topic Starter Members 44 posts OFFLINE Local time:10:18 AM Posted 22 May 2013 - 04:11 PM Hi, thanks for your help. To learn more and to read the lawsuit, click here. Stop C000021a Fatal System Error

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 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). Option 2: Run Chkdsk Command Run chkdsk: Go to a command prompt and type "chkdsk /f". Source Known Solutions NOTE: The solutions listed below are assuming that you are receiving the stop error AFTER Windows is running.

Back to top Back to Windows 7 0 user(s) are reading this topic 0 members, 0 guests, 0 anonymous users Reply to quoted postsClear BleepingComputer.com → Microsoft Windows Support → Fatal System Rpg Username Forum Password I've forgotten my password Remember me This is not recommended for shared computers Sign in anonymously Don't add me to the active users list Privacy Policy

I would rather have help to figure it out and fix it, but I thought I would just put it into the hat, so to speak.

Option 1: Make Sure Your PC Drivers Are Updated (DO THIS FIRST!) Missing or corrupt drivers are responsible for many bluescreen errors.

CONTRIBUTE TO OUR LEGAL DEFENSE All unused funds will be donated to the Electronic Frontier Foundation (EFF). Windows System Restore failed during the rollback process. Regards Dave Back to top BC AdBot (Login to Remove) BleepingComputer.com Register to remove ads #2 Anshad Edavana Anshad Edavana BC Advisor 2,805 posts OFFLINE Gender:Male Location:India Local Stop: C000021a Xp Register now!

On the next screen, click "Repair" again. Back to top #4 egarrim egarrim Topic Starter Members 44 posts OFFLINE Local time:10:18 AM Posted 21 May 2013 - 10:47 AM hi and thanks for the helpful links. In this days HDDfailures are very common, so make sure to backup your data regularly. have a peek here Please help, and thanks in advance.

Third-party software applications on your computer are causing kernel level conflicts. Windows EXE Errors EXE Error Help for XP, Vista, Windows 7 & 8 Home About Recommended Software Computer Terms Site Map Subscribe Stop c000021a Fatal System 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 Choose the option that allows you to boot from a CD.

Click here to Register a free account now! There can be many reasons why you are experiencing this error: Corrupt or missing hardware drivers Faulty hardware (i.e. 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 What Causes Stop Error c000021a?

Several functions may not work. Before swapping it out, run Memtest86+ to test OVERNIGHT to see if it reports any errors. You can try basic troubleshooting steps like "system restore" before reinstall. Shutdown your computer and unplug it again.

If you accept cookies from this site, you will only be shown this dialog once!You can press escape or click on the X to close this box. Did you recently installed any software or Windows update ?. 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. For Samsung , Seagate and MaxtoreuseSeatool for DOS -http://www.seagate.com/support/downloads/seatools/ Western Digital also provides a test tool but that is not in a ready made ISO format.

Place your battery back in, plug in your computer, and restart it. Format your hard drive and reinstall Windows. We should use it either under DOS or FreeDOS. Press f12, or whatever key allows you to enter your boot option screen.

The system has been shut down.