Microsoft has addressed a identified difficulty the place Blue Display of Loss of life (BSOD) crashes with errors 0xc000021a after putting in the Home windows 10 KB5021233 cumulative replace launched in the course of the Tuesday December Patch.
Drawback mounted in KB5022282 The replace was launched at present for all presently supported Home windows 10 editions.
redmond he accepted Following a stream of consumer reviews on Microsoft’s group web site [1, 2, 3] and Reddit [1, 2, 3]One week after KB5021233 was launched.
The identified difficulty is almost certainly resulting from an incompatibility between the file variations of hidparse.sys in system32 and system32/drivers within the Home windows folder which “may trigger signature verification to fail when the cleanup happens”.
“This replace fixes a identified difficulty which will have an effect on startup on some Home windows units,” Microsoft I said. “They could obtain an error (0xc000021a) and have a blue display screen.”
The record of affected platforms solely consists of shopper variations of Home windows from Home windows 10, model 20H2 to Home windows 10, model 22H2.
Workaround additionally out there for affected methods
For individuals who cannot instantly set up at present’s cumulative replace, Microsoft supplies a short lived repair to work round this blue display screen difficulty and revive affected methods to start out as anticipated.
This requires affected customers to repeat hidparse.sys from the system32drivers folder to system32 utilizing the Home windows Restoration Surroundings (WinRE) to make sure that file signature verification can now not set off blue display screen crashes.
To use this momentary repair, you need to carry out the next steps:
- You will want to enter the Home windows Restoration Surroundings. In case your machine didn’t begin WinRE routinely, please see WinRE entry factors.
- Choose the Troubleshoot button.
- Choose the “Begin restoration, troubleshooting and diagnostic instruments” button.
- Choose the “Superior Choices” button.
- Choose the “Command Immediate” button and wait to your machine to reboot if vital.
- Your machine ought to reboot right into a Command Immediate window. You might must log in to your machine along with your password earlier than you get to the Command Immediate window.
- Run the next command (Essential: If Home windows is just not put in in C:home windows, you will have to change the command in line with your atmosphere): xcopy C: .sys
- After the earlier command completes, sort: exit
- Choose the “Proceed” button.
- Home windows ought to now begin as anticipated.
Microsoft mentioned it was “not advisable to comply with some other workaround” than advisable on its assist web site.
“We don’t advocate deleting Hidparse.sys out of your WindowsSystem32 folder”, Microsoft Additional.
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