Does it give error at startup?
critical process died covers a wide range of windows system files, many of which are necessary for windows to work, and if they crash, windows does as well.
Do you have a win 10 installer? if you don't - On another PC, download the
Windows 10 media creation tool and use it to make a win 10 installer on USB - its a handy boot disk
try doing a startup repair
boot from installer
on screen after languages, choose repair this pc, not install.
choose troubleshoot
choose advanced
choose startup repair - this will scan PC and maybe fix this - will ask for logon info
if its just after startup, and you can get into windows, Can you follow option one on the following link -
here - and then do this step below: Small memory dumps - Have Windows Create a Small Memory Dump (Minidump) on BSOD
that creates a file in c windows/minidump after the next BSOD
copy that file to documents
upload the copy from documents to a file sharing web site, and share the link here and I will get someone to convert file into a format I can read