Windows 10: windows corruption in bsod

I recently bought a hp desktop for work but one day when I was going to a restore point that I had created but the system unexpectedly shut down and left it for an hour but when I came back it turned off and when I booted it back up It said I was in the Blue screen of death so I tried to repair but nothing worked because I did not know the administrator account password and when I tried to enter safe mode it just restarted and said I had an error. Please help thanks.Error code is 0xc000021

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BSODs with corrupt pagefile - Is That Possible?

Past couple of days I have been having random BSODS. A few examples of the messages was - Memory management / IRQL less than or equal to/ Thread could not be activated/ Page Pool something or other.

First BSODS I have had on this relatively new system so decided to take everything back to stock and test each part. I'm on Windows 7 Ultimate 64bit BTW.

HDtune error check - fine
Memtest86 - 10 passes fine
Prime 95 - 7hrs overnight fine
Graphics card - furmark/3DMark fine

Go to play a bit of WOW last night and it locks up straight away with memory management issue. So I looked into it a bit and read that it could possibly be a virtual memory/pagefile issue and that if it is corrupted it may cause these issues.

I then set the pagefile to zero and enabled clear pagefile on shutdown in the registry. When it rebooted I let the amount be set by Windows and disabled the registry entry for clearing it on shutdown and will see how it goes.

I had never heard of this issue before causing BSODS, is it common and what should be the next step if I get another one today with the new pagefile in place?

 

Programs not working

In post 26 there were steps listed to fix the operating system corruption.
Are you able to follow them?
In post 29 was the suggested dism repair command.

 

Corrupted file RAR

If the archive has been created using WinRAR, why don't you try WinRAR itself? It has a built-in repair feature for repairing corrupted archive (ZIP as well as RAR). Follow the steps given below:

• Open WinRAR application in your system.
• Now click on File tab > Open or simply press Ctrl+O.
• A small window "Find Archive" will pop up. Locate the corrupt RAR archive from your system directory and select it.
• Now click Open button.
• Click Tools tab > Repair archive or simply press Alt+R.
• Again a small window "Repairing File name.rar" will pop up.
• Now click Browse to select a location to save the repaired archive.
• Check the box "Treat the corrupt archive as RAR" and click OK.
• WinRAR will start repairing of corrupt RAR archive. Once it gets completed click Close.

I hope the above steps will help you repair the corrupted RAR archive.

Thanks.