Hi,
It seems that your system crashed. I would suggest you follow the steps to fix it. If my understanding is not right, please do not hesitate to let me know.
1. Revert the changes if you did some changes to your system recently, such as program or driver installed, Windows Updates and so on.
2. Update your device driver in Device Manager. If necessary, you need to go to the manufacturer official website to download the latest driver version.
3. Open your "Task Manager", check if your memory, CPU or disk is overload. If any task take much space, try to end them if it is the 3rd party process. If it is the system process, please scan the virus in safe mode due to we consider the
virus or malware affect it.
4. If the steps above doesn't help you, please upload your dump file to us.
https://support.microsoft.com/en-us/kb/315263
Good luck to fix it.
Best Regards
Simon
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