Question
Reply
 
Student
SirenSerenade
Posts: 1
Member Since: ‎08-13-2012
Message 1 of 4 (20,583 Views)

Fatal System Error on Laptop Running Windows 7 STOP: c000021a The Verification of a KnownDLL Failed.

When I attempt to boot my laptop, which is running Windows 7 OS, it bluescreens and I get the following message: "STOP: c000021a {Fatal System Error} The verificaion of a KnownDLL failed. system processes terminated unexpectedly with a status of 0xc0000020 (0x00331290 0x00000000). The system has been shut down." Is there any way I can fix this without doing a factory reset and losing all of my files? I have tried doing a system restore but it tells me that I have no restore points and that since I am running it within a limited diagnostic capacity that it cannot be undone, which is fine as long as it is a restore. The problem is that it won't let me do that. I should also note that I have no external hard drive and for some reason booting the "Last Known Good Configuration" will not work, either. I should probably mention that I am unable to boot in Safe Mode.

Details:
Problem Event Name: StartupRepairOffline
Problem Signature 01: 6.1.7600.16385
Problem Signature 02: 6.1.7600.16385
Problem Signature 03: unknown
Problem Signature 04: 21200344
Problem Signature 05: AutoFailover
Problem Signature 06: 8
Problem Signature 07: BadDriver
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
 
Please help! I don't have any money to get this laptop fixed and I need it for school (including files on it which are necessary for my portfolio). Thank you!
Associate Dean
Mumbodog
Posts: 11,026
Member Since: ‎01-11-2010
Message 2 of 4 (20,565 Views)

Re: Fatal System Error on Laptop Running Windows 7 STOP: c000021a The Verification of a KnownDLL Fai

Use F8 at the very start of power up to access the advanced screen, choose "repair your computer" from the list, this will load windows recovery environment, if it tries to do an automatic repair, cancel it if you can and let RE load, then choose "Command prompt" from the list of tools.

F8 repair-your-computer-windows-7.png

 

.

 

System Recovery Options Command Prompt.png

 

 

 

 

try running a system file checker as described in the link below, it may repair the problem file, once SFC is complete restart the pc normally.

 

http://mikemstech.blogspot.com/2011/12/how-to-perform-offline-system-integrity.html

 

Intern
leish2326
Posts: 30
Member Since: ‎07-05-2014
Message 3 of 4 (825 Views)

Re: Fatal System Error on Laptop Running Windows 7 STOP: c000021a The Verification of a KnownDLL Fai

I can't do any of this as when I am in these options my enter key won't work.??
Teacher
OsbourneVernonL
Posts: 148
Member Since: ‎04-02-2014
Message 4 of 4 (808 Views)

Re: Fatal System Error on Laptop Running Windows 7 STOP: c000021a The Verification of a KnownDLL Fai


leish2326 wrote:
I can't do any of this as when I am in these options my enter key won't work.??

Have you tried using a  USB or CD boot method to get into the advanced mode were you can make use of the command prompt?

Did some digging around on the MS forums and i found a simalar post on your issue maybe this might help you and I think you should be a little more carefull with what ever driver or program you install on your pc and make sure to keep your security software up to date if you have one.

Please read This

 

If it doesnt help you might have more serious issue on your hands and will require more detailed info from you and what you were doing before or have changed before this error occured.

Pavilion 17-e188sd Notebook PC
AMD E1-2500 Radeon 8200
Samsung SSD EVO 840
Corsair DDR3 8192 MB RAM
QC 802.11bgn/BT/Win 8.1 64 bit

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the Terms of Use and Rules of Participation