Error code: 0xc0000428 and CRITICAL_PROCESS_DIED in Windows 10 Your PC/Device needs to be repaired. The digital signature for this file couldnt be verified. File: windows\system32\boot\winload.exe Error code: 0xc0000428 You’ll need to use recovery tools. if you dont have any installation media (like a disc or USB device), contact your PC administrator, or PC/Device manufacture. I upgraded my windows 8 version to the window 10 build and now i get the above errors/// anyone had any experience with this? what should i do re-format and start agian?