F5F Stay Refreshed Software Operating Systems Error encountered at address 0xc000021a.

Error encountered at address 0xc000021a.

Error encountered at address 0xc000021a.

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vladislav_one
Junior Member
8
06-21-2018, 01:42 AM
#1
I thought joining this forum might help because I know some knowledgeable people there. I’m facing a problem... It began when I increased my RAM speeds recently. The system worked briefly but then entered a boot loop. After removing and reinserting the CMOS battery on my ASROCK b450 ProM4 motherboard, it started running normally on Windows 10. I used the PC for a short time, then saw a warning about installing urgent files. After restarting, BSOD 0xc000021a kept appearing and wouldn’t disappear. I ran several commands in the cmd prompt using advanced troubleshooting, like cleaning the disk or scanning for issues, but nothing resolved it. I also tried disabling Driver Signature Enforcement, which didn’t help. Restoring the PC to an earlier state didn’t fix anything, and it can’t enter Safe Mode. Is there a way to repair this without a full Windows reinstall or wiping everything? Could anyone guide me through using the DISM tool from the troubleshooting menu? Thanks in advance!
V
vladislav_one
06-21-2018, 01:42 AM #1

I thought joining this forum might help because I know some knowledgeable people there. I’m facing a problem... It began when I increased my RAM speeds recently. The system worked briefly but then entered a boot loop. After removing and reinserting the CMOS battery on my ASROCK b450 ProM4 motherboard, it started running normally on Windows 10. I used the PC for a short time, then saw a warning about installing urgent files. After restarting, BSOD 0xc000021a kept appearing and wouldn’t disappear. I ran several commands in the cmd prompt using advanced troubleshooting, like cleaning the disk or scanning for issues, but nothing resolved it. I also tried disabling Driver Signature Enforcement, which didn’t help. Restoring the PC to an earlier state didn’t fix anything, and it can’t enter Safe Mode. Is there a way to repair this without a full Windows reinstall or wiping everything? Could anyone guide me through using the DISM tool from the troubleshooting menu? Thanks in advance!

M
Mgaodd
Member
63
06-21-2018, 03:37 AM
#2
Problem like this one may be very difficult to solve if you have no second computer with working system. And even then it may be very time consuming and difficult (some file compare tools must be used etc) or even impossible. The best you can do is to image your system using bootable Macrium Reflect rescue USB (created on some other, but similar PC) so you can access your system and user files after you made clean install (you can also just copy files to another drive, but this way you may miss something). At last chance (before fresh install) you can try to boot with only one, single ram stick without any oc (even without xmp). But I don't think it helps in your case. If you want to be really safe and try to find problem in the future, but another SSD for made fresh install and keep old one for analysis. There is also a chance that you messed something by yourself by accidentally move some folder.
M
Mgaodd
06-21-2018, 03:37 AM #2

Problem like this one may be very difficult to solve if you have no second computer with working system. And even then it may be very time consuming and difficult (some file compare tools must be used etc) or even impossible. The best you can do is to image your system using bootable Macrium Reflect rescue USB (created on some other, but similar PC) so you can access your system and user files after you made clean install (you can also just copy files to another drive, but this way you may miss something). At last chance (before fresh install) you can try to boot with only one, single ram stick without any oc (even without xmp). But I don't think it helps in your case. If you want to be really safe and try to find problem in the future, but another SSD for made fresh install and keep old one for analysis. There is also a chance that you messed something by yourself by accidentally move some folder.

D
DragonTamerX2
Junior Member
8
06-29-2018, 11:05 AM
#3
I only tried using one stick of RAM to start up, but nothing changed. I also replaced the CMOS battery and still saw no improvement. My approach is to take both drives out, copy essential files to the boot drive, and then install a new Windows version. I’m hoping this will resolve the issue. Thanks for your assistance!
D
DragonTamerX2
06-29-2018, 11:05 AM #3

I only tried using one stick of RAM to start up, but nothing changed. I also replaced the CMOS battery and still saw no improvement. My approach is to take both drives out, copy essential files to the boot drive, and then install a new Windows version. I’m hoping this will resolve the issue. Thanks for your assistance!