Original post : MPR.dll not found: Fix for Windows XP, Vista, 7, 8 and 10.
lsass.exe - Unable To Locate Component This application has failed to start because MPR.dll was not found. Re-installing the application may fix the problem.
Recovery It looks like Windows didn't load correctly If you'd like to restart and try again, choose "Restart my PC" below. Otherwise, choose "See advanced repair options" for troubleshooting tools and advanced options. If you don't know which option is right for you, contact someone you trust to help with this.
C:\
sfc /scannow /offbootdir=D:\ /offwindir=D:\Windows\
chkdsk C: /f