If you receive a Your PC will automatically restart in one minute, Windows ran into a problem and needs to restart, You should close this message now and save your work message, on a computer running Windows 10 or Windows 8, then this post explains why this happens & what you can do about it.
There are several reasons that could cause this to happen. The problem could any! This could be happening because of over-heating, failure of some hardware component, Windows Update issues or a Stop Error. Here are a few things you could try and see if it helps resolve your problem.
Your PC will automatically restart in one minute
If it is a one-time message, it is fine. On the restart, your PC should be fixed. But if your computer gets in a loop then you have a problem.
1] The one thing you could do is when your computer boots keep pressing F8 on your keyboard till you get the Advanced Boot Options screen. The idea is to from here, finally, boot Windows 10 in Safe Mode.
Now navigate to C:\Windows\SoftwareDistribution\Download folder and delete its contents. Restart your computer and see if the problem disappears.
2] If your computer gets into an endless reboot loop, try to get into Safe Mode or access Advanced Boot Options. Here you can open a command prompt windows or system restore or perform an Automatic Repair.
3] Hardware failure or system instability can cause the computer to reboot automatically. The problem could be the RAM, Hard Drive, Power Supply, Graphics Card or External devices: – or it could be an overheating or BIOS issue. This post will help you if your computer freezes or reboots due to Hardware issues.
4] If you recently updated your device drivers and now find that your Windows 10 restarts without warning, you might want to troubleshoot your Driver problems or consider rolling back your driver to the earlier version. This post will show you how to Uninstall, Disable, Roll Back, Update Device Drivers.
5] You might want also to take a look at this post titled Windows computer restarts without warning. It gives you additional ideas to troubleshoot such issues caused due to Windows Update, malware, etc.
Hope something helps.
Read: Windows Stop Errors or Blue Screens of Death.