Sometimes when you try to reboot your personal computer, the application error 0xc0000142 will suddenly show up. If this error appears, you will no longer be capable of opening the cmd.exe and the 0xc0000142 application will not start properly. So, you will have no other option but to terminate the application. Then, you can search about the application error 0xc0000142 on the Internet. You will then find that this error may be caused by a malware. It may also be caused by a flawed registry or a damaged file in your operating system. But you can fix it if you know how to troubleshoot and use a registry cleaner.