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Unknown Hard Error Coooo21a

Hey guys, I`m new to these forums, and a bit of a noob myself (but can do format and reinstall Thread Tools Search this Thread 10-07-2007, 12:44 PM #1 Nick. Then I tried a repair using the MS Action Pack CD with SP1. When I was on XP, I remember using the Analog Devices Soundmax drivers, but they are not compatible with Vista. this contact form

Try that one. Working... Try a System Restore from here Boot into Safe Mode by pressing F8 at bootup and choose 'Safe mode with command prompt' At the command prompt type C:\Windows\system32\restore\rstrui.exe Hopefully System Restore Have you started the installation like a new install and click repair when it searches for previous versions of windows? http://discussions.virtualdr.com/showthread.php?228754-RESOLVED-BSoD-C000021a-Unknown-Hard-Error

The sound card worked, but I've noticed some stuttering since then. Mind you, I will give another >> CHKDSK another go, but I'll disable the Norton Ghost and Drive Image >> services this time round. Invalid Request » Site Navigation » Forum> User CP> FAQ> Support.Me> Steam Error 118>> Trusteer Endpoint Protection All times are GMT -7. I move my files across when I upgrade discs.

Windows cannot run properly without WinLogon or CSRSS.Step 1 -- Error c000021aThis blue screen of death stop error c000021a will be displayed when your system is in normal booting process. Sign in to add this to Watch Later Add to Loading playlists... Write easy VBA Code. To start viewing messages, select the forum that you want to visit from the selection below.

One has the OS, the other has the game installed, and the latter has the swap file. Then I have to choose Abort, Fail, Ignore, Retry. I did suspect RAM and did quite a few tests like shifting bits test and checker-board patters tests for a while without a single hitch. https://www.experts-exchange.com/questions/21471371/STOP-C000021a-Unknown-Hard-Error.html I move my files across >> when I upgrade discs. >> >> Here is one for the books.

techytube 7,589 views 17:26 My Easy Blue Screen Of Death Fix.External Hard Drive Enclosure Or Desktop PC Required - Duration: 10:44. My system is fully patched/updated. Thanks for responding with your solution. Loading...

Suggested Solutions Title # Comments Views Activity DOS FTP 9 209 485d laptop advice 9 191 489d Change textbox properties when upgrading windows application from XP to Windows 7 4 86 http://answers.microsoft.com/en-us/windows/forum/windows_vista-windows_install/blue-screen-then-stop-c0000221-unknown-hard-error/c5fe325c-e474-e011-8dfc-68b599b31bf5 RazorRockMedia 34,230 views 20:16 "Preparing Automatic Repair" Error in Windows 10 - FIXED - Duration: 11:45. Sign In Sign Up Home Forums Browse Back Browse Forums Rules Donation Activity Back Activity Unread Content Content I Started My Activity Streams All Activity Search Subscription Back Subscription Orders Manage If you would like to perform debugging, please contact Microsoft Customer Support Service (CSS).

It's been spotted by other individuals. http://crimsonskysoftware.com/unknown-hard/unknown-hard-error-218.html I >> don't do file sharing. Thanks for responding with your solution. The solution provided by the author of the mentioned post was to check if there was a hard drive connected to the same power plug that was connected to the video

Thanks in advance, RolodeX. Sign In Now Sign in to follow this Followers 0 Go To Topic Listing Windows XP Recently Browsing 0 members No registered users viewing this page. I don't do file sharing. navigate here All rights reserved.

It would have been useful of the BSOD told me which file caused the hard error, but alas, I should be so lucky. STOP: c000021a Unknown hard error Unknown hard error I know this is not a hardware error as it happens after a scheduled CHHDSK is performed. The nominal operating temperature of my (Was IBM) Hitachi hard drive is approx 37 degrees celsius.

The event viewer doesn't show anything weird around the times of the BSODs.

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This Stop message also can occur when the computer is restarted after a system administrator has modified permissions so that the SYSTEM account no longer has adequate permissions to access system A NAT router makes sure no works can introduce themselves without my knowledge. My problem is, I`m on Vista for a few days (months?) and am having issues with a few softwares that lead to a BSOD or a complete, fully-featured, System Hang. Techno Math 736,624 views 7:41 [Tutorial] How to Set your BIOS to boot from CD or DVD - Duration: 3:36.

What causes Stop C000021a Unknown Hard Error errors? 3. Reply With Quote Page 1 of 2 12 Last Jump to page: Quick Navigation Windows XP Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Center When the windows logo screen will appear, you will suddenly see the c000021a Fatal System Error.Step 2 -- Last Known Good ConfigurationAs a result, the Advanced Boot Options screen will appear. his comment is here Any idea?

System restore is not needed as I saved an image before the problem occurs, therefore I can roll back to the point before the problem starts. Let us know if it worked. [ Book mark this post to find it again] AntiX-15, Win 7 and Win 10 Reply With Quote February 29th, 2008,12:34 AM #10 LimCY View How to fix Stop C000021a Unknown Hard Error errors There are two ways to solve this error: The Manual (Advanced) User Solution:

1) Start the computer and log on as Administrator. But there's only the raw os on hd...FAULTY HARD DISK = aldy checked with seatools which says its good.

The better question is, if it's a third party program that was installed, which one could it be? Examples are corrupted files and orphaned files. The only different is this one is an old pc (Cel. 1.7GHz CPU, 512MB DDR400 SDRAM which shared 32MB to the onboard graphic card.) Since the softwares I use don't require The system returned: (22) Invalid argument The remote host or network may be down.