C00021a Unknown Hard Error
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(עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 (中文)台灣 (中文)日本 (日本語) HomeWindows Server 2012Windows Server 2008 R2Windows Server 2003LibraryForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by: Stop :C000021a Unknown Hard Error Windows windows xp c000021a unknown hard error Server > Windows Server General Forum Question 0 Sign in to vote I stop c0000221 unknown hard error systemroot system32 ntdll dll have Windows 2003 Standard Server, whichis also Citrix Server which reboots over night.I keep getting th Blue of Death unknown hard error ntdll.dll installing xp and this error Thursday, September 30, 2010 6:48 AM Reply | Quote Answers 0 Sign in to vote Hi, Please first make sure the system is up to date with the http://www.techsupportforum.com/forums/f299/solved-c000021a-unknown-hard-error-and-many-more-186473.html latest batch. Then, check this article: http://support.microsoft.com/kb/316503 If the problem continues, please understand that to troubleshoot the blue screen/restarting issues, we usually need to perform debugging. However, in this forum, we do not provide debugging support. If you would like to perform debugging, please contact Microsoft Customer Support Service (CSS). To obtain the phone numbers for specific technology request, please refer https://social.technet.microsoft.com/Forums/windowsserver/en-US/1d61b407-7967-4897-8eba-8a807f1ce255/stop-c000021a-unknown-hard-error?forum=winservergen to the website listed below: http://support.microsoft.com/default.aspx?scid=fh;EN-US;PHONENUMBERS If you are outside the US, please refer to http://support.microsoft.com for regional support phone numbers. I hope your issue can be resolved soon. Marked as answer by Bruce-Liu Thursday, October 07, 2010 12:43 PM Thursday, September 30, 2010 11:37 AM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Technet Web site. If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.Would you like to participate? Privacy statement © 2016 Microsoft. All rights reserved.Newsletter|Contact Us|Privacy Statement|Terms of Use|Trademarks|Site Feedback TechNet Products IT Resources Downloads Training Support Products Windows Windows Server System Center Browser Office Office 365 Exchange Server SQL Server SharePoint Products Skype for Business See all products » Resources Evaluation Center Learning Resources Microsoft Tech Companion App Microsoft Technical Communities Microsoft Virtual Academy Script Center Server and Tools Blogs TechNet Blogs TechNet Flash Newsletter TechNet Gallery TechNet Library TechNet Magazine TechNet Subscriptions TechNet Video TechNet Wiki Windows Sysinternals Virtual Labs Solutions Networking Cloud and Datacenter Security Virtualization Updates Servi
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand https://www.experts-exchange.com/questions/21471371/STOP-C000021a-Unknown-Hard-Error.html Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > STOP: C000021a Unknown Hard Error Want to Advertise Here? Solved STOP: C000021a Unknown Hard Error Posted on 2005-06-26 Windows XP 1 Verified Solution 10 Comments 13,507 Views Last Modified: 2011-08-18 Hi, A pc running Windows XP Pro presents a blue screen with STOP: C000021a Unknown Hard Error. A boot unknown hard to safe mode is unsuccessful, the same screen appears. I've tried a Windows repair, but after the pc reboots the same error prevents the repair process from continuing. I can access the recovery console and have tried a bootcfg /rebuild with no luck. All help much appreciated. Rgds Chiarne 0 Question by:Chiarne Facebook Twitter LinkedIn Google LVL 6 Best Solution bybagged2drag If you have a BART PE disk with Avast! antivirus on it, unknown hard error you can boot from that CD and run the Avast! registry cleaner. If you don't have a copy, the only other option you have will be to overlay windows Go to Solution 10 Comments LVL 67 Overall: Level 67 Windows XP 28 Message Active today Expert Comment by:sirbounty2005-06-26 Did you try a chkdsk from Recovery Console? This problem may occur if the file that is described in the error message is corrupted. The following files are checked for integrity when Microsoft Windows XP starts: • All driver files (except those that are loaded by the system loader to start. the computer) • All dynamic-link libraries (DLLs), including User, Graphics Device Interface (GDI), Shell, Kernel, Ntdll, Crtdll, and others. This problem may occur if you install an inappropriate driver for your hardware. For example, you receive one of the error messages that are described in the "Summary" section if you install a millions of instructions per second (MIPS) driver on an X86-based computer. This problem may occur if an Iomega Zip drive is on the same integrated device electronics (IDE) cable as the hard disk drive. The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products. r