Blue screen - stop code

[Meinaz]

I was updating my laptop and I left it alone. By the end of they morning I went to get my laptop and had a 

 Blue screen that has a stop code- "critical process died "... being i have one had this for 2 yrs and I am like on it daily I had some important files that I need for upcoming legal purposes. Now I can't even figure out how to grt into safe mode. Im trying everything. What can I do to get my computer back 

[Lil_Boy_Blue]

Hi

Hi
PLEASE POST ANY RESULTS.
First:- Turn off the computer, press and hold the PWR button for 4 seconds.

Then - Leave only keyboard and mouse connected, disconnect all externally connected
devices such as Docking Station, USB storage devices, displays, and printers.
Unplug the AC adapter from the computer.

Next - Press and Hold the Power button for 15 seconds to Hard Reset.
Rinse and Repeat; Re-Connect the AC adapter.

NOW begin checking/testing/proving the Hardware is fit for purpose.
Power on your PC, press ESC (repeatedly), then F2 at the prompt.
Choose System Tests (Fast Test does a 4 minute hardware check).
~~~~~~~~~~~

From 2016 onwards there is a possible recovery option via the cloud...
HP Consumer PCs - Using the HP Cloud Recovery Tool (Windows 7 & 10)
https://support.hp.com/us-en/document/c06162205
OR
This may require another PC. Find and Download your .iso from…
https://www.microsoft.com/en-us/software-download/windows10
Expand/Extract/Burn the iso Image onto a DVD/USB as needed.
Microsoft’s Creator Tool will make the required DVD or USB.

Even though it has NO actual HP software/drivers included, you may be able to
XCOPY the C:\Users\* area onto a ‘large’ USB stick, via the Command Prompt.

You’ll need to try various drive letters; D:..-..Z: until it’s matched - could be G; mine’s S:

C:\>XCOPY C:\Users\* S:\ /e /i /h (then files like those 3 listed below get copied over)

C:\Users\desktop.ini
C:\Users\All Users\agent.1509128044.bdinstall.bin
C:\Users\All Users\HP Deskjet 2540 series\Help\flash\zoom.swf

 Lubuntu and Linux Mint

Or try a Recovery using a Linux OS.   USB or CD/DVD.

https://www.online-tech-tips.com/computer-tips/how-to-retrieve-windows-files-using-a-linux-live-cd/