Error 0x80070021

0x80070021 is a critical error displayed when Windows has to shut down because of a kernel problem to prevent further damage to your computer. Over time, this error occurs more and more frequently resulting in total system corruption. That is why 0x80070021 should be resolved as soon as possible.

If you are not a PC expert use the following first-aid solutions:
(only REAL working solutions, no useless "registry cleaners"!)

Solution 1:

Recommended if you can enter Windows, at least in Safe Mode:
  • Free Download the Fix for 0x80070021fix this error
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  • This tool automatically repairs a wide range of system errors, including this and other error messages, blue screens, .dll and .sys errors, freezes, registry corruption, system file damage, slow-downs, removed viruses, trojans and other malware, and other issues.
  • Another, critically important reason why I highly recommend this specific tool above all other tools is that errors like '0x80070021' are often caused by viruses, trojans or other malware, and this is the only tool that repairs the damage already done to your system by a virus or other malware, which eliminates the need to reformat your PC (no other tool or antivirus does that!)
  • The third (but not the last) reason is that this tool is widely used even by PC technicians to automatically remove Windows errors and fix the damaged system.
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  • Simply let the program scan your computer and repair the errors it detects.

Solution 2:

Recommended if you cannot enter Windows because of the error at startup or logon:
  • Use This Startup Error Fixfixing boot error
    Spotmau BootSuite 2012 boots and fixes unbootable computers that crash with a blue screen error message, black screen, boot loop, "ntldr is missing", "bootmgr is missing", "operating system not found" and other error messages, and eliminates the problems that cause the error.
  • Start BootSuite and follow the simple instruction on the screen.
  • When you access your broken system let the utility fix the errors to prevent problems in future

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Error messages similar to 0x80070021 are well-known as kernel issues. Dealing with such a sort of errors promptly multiplies the chance of complete system revivification.
Waiting to Be Resolved:

ASP.NET IIS Web.config [Internal Server Error] - Stack Overflow

Error Details Module IIS Web Core Notice BeginRequest Handler Not yet determined Error 0x80070021 Configuration error This configuration ...

Added by: Amy on: 1.8.12 time: 23:54

BSOD Case # 239: 0x80070021

Summary: Yahoo! Answers - I get an Error code 0x80070021 when I try to ...
Details: Best Answer: The only way to rule out an add-in that is causing the problem is to run Outlook in safe mode, disable all add-ins, then run outlook normally ...
Suggestion: Either hardware or software might be the cause of your headache. Next, the procedures that make it easier to extirpate a blue screen of death. The bad news is that casting away the broken harddisc, memory elements or videocard frequently seems to be the sole sentence. on the assumption that you have harddisk out-of-run, you have a chance that your IDE disc will be utilized on... More information...

They Solved "0x80070021":

Name: Russell
Fixed on: 10.18.12
Error: WebAdvantage - HTTP Error 500.19 with Error Code 0x80070021 ...
Details: Error Details Module IIS Web Core Notice BeginRequest Handler Not yet determined Error 0x80070021 Configuration error This configuration ...
they fixed 0x80070021

Name: Geneva
Fixed on: 1.8.11
Error: ASP.NET IIS Web.config [Internal Server Error] - Stack Overflow
Details: The requested page cannot be accessed because the related configuration data for the page is invalid. Module IIS Web Core - Error 0x80070021. ...
they fixed 0x80070021
Name: Quentin
Fixed on: 6.27.11
Error: Module IIS Web Core - Error 0x80070021
Details: Loading WebAdvantage Page fails with HTTP Error 500.19 with Error Code 0x80070021.
they fixed 0x80070021

Most Discussed:

HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock ...

Started by: Roderick Date: 1.20.12 Time: 2:53

HTTP Error 500.19 - Internal Server Error. The requested page cannot be accessed because the related configuration data for the page is invalid.

Outlook. .pst File Locked by another "process"

Started by: Miranda Date: 1.5.10 Time: 2:19

Module: RequestFilteringModule Notification: BeginRequest Handler: StaticFile Error Code: 0x80070021 Config Error: This configuration section cannot be used at this path. ...

Error 0x80070021 - Amphis Software

Started by: Tommy Date: 8.17.12 Time: 12:6

HTTP Error 500.19 - Internal Server Error. The requested page cannot be accessed because the related configuration data for the page is invalid.

can't backup OL 2007 (error message 0x80070021) + only done by ...

Started by: Augustus Date: 8.21.12 Time: 4:4

"Error 0x80070021: The process cannot access the file because another process has locked a portion of the file." There are no processes using ...

Yahoo! Answers - I get an Error code 0x80070021 when I try to ...

Started by: Millie Date: 10.7.12 Time: 12:30

2 Oct 2012 ... Hi. I've been searching through the forums and came across many posts similar to the problem I am experiencing but none of the suggestions ...

A few simple tips for the BSOD

System Restore or Last Known Good Configuration are workable when Windows doesn't die at startup. Such a way you can undo operating system condition that were altered when the PC didn't run BSODs. It is not safe to judge that 0x80070021 will be banished after you apply any of these fixes, they rarely prove effective for that sort of blue display. Newly added appliations may require to be uninstalled or upgraded. First, try removing potentially problematic drivers in Safe Mode. 0x80070021 may be so morbid as not to allow you to open Windows entirely.. Windows installation CD can help you to deactivate the outdated appliation even in such a obviously helpless case with 0x80070021 incidents.

Errors and messages often searched for together:

    0x80070522 - The cluster node is not the owner of the resource.
    0x80070424 - The cluster resource cannot be made dependent on the specified resource because it is already dependent.
    0x8007000e - Use the registry database to provide the requested information
    0x80010105 - The format of the specified message destination is invalid.