A Brief Guide to Fix the Computer Restarted Unexpectedly Issue: Top Methods

Many users face issues in their Windows 10 or 8.1 computers where it restarts unexpectedly or encounters an unexpected error. Here, the Windows keeps asking them to hit the “Ok” button to reboot their device and the loop goes on and on. Now, this can be quite an issue and not only it raises the user’s frustration level but also can cause major problem to their device.

The computer restarted unexpectedly or encountered an unexpected error takes when the users try to upgrade or update their current operating system i.e. Windows 10 or 8.1 or put them on factory reset. However, these are just the most common reason to cause such an issue and nobody knows the exact reason for the occurrence of this error. But one can try some of the solutions that have shown better results to fix the issue of an endless loop of PC restarts. Here’s how.

Common Methods to Fix the Computer Restarted Unexpectedly Issue

You can use the following top three methods to fix the computer restarted unexpectedly or encountered an unexpected error windows 10 issue.

•       Edit Windows Registry

So, the Windows Registry is basically known as – The Registry that collects all the databases of configuration settings in your Microsoft Windows 10 operating systems, hardware & software information, settings, and user preferences data among other crucial information. You’ll need to fix the computer restart loop issue by changing the ChildCompletion DWORD value data and here’s how you can do it.

•                    Press the “Windows+R” keys and then enter “regedit” in the command prompt window

•                    Hit the enter key and then you’ll need to follow the following path:


•                    Here, select the "ChildCompletion" key and then double-click on the "setup.exe" file and then select "Modify" from the menu

•                    Now, go to the Edit DWORD (32-bit) Value window, and then enter the value data to 3

•                    Hit the "OK" option to exit the Registry Editor and then reboot your computer to see if the error has been fixed

•         Use the Run Automatic/Start-up Repair Tool

The Automatic/Start-up Repair tool is a Windows default diagnostics-based troubleshooting tool that usually helps you to repair the Windows OS issues that might prevent your system to boot up. Now, you can use this tool to fix the Windows restart loop issue as well. Here’s how.

•                    In your Windows PC. Navigate to the Start menu and then move to the settings.

•                    Hit the gear icon and then select Settings and then choose Update & security

•                    Next, select the Recovery from the menu options and then select Restart Now.

•                    Here, you’ll see some boot-up options from where you’ll need to select Troubleshoot

•                    Now, select Advanced Options and then click on the "Startup Repair" option.

Hereafter, the Windows will start diagnosing your device and may be able to fix the computer restarted unexpectedly or encountered an unexpected error windows 8.1 issue for you.

However, if you are not able to fix the issue yet then you may try formatting the hard disk installed in your PC. Even though this is not the best but most effective way to fix the issue, you can erase all of your data & information in your PC and then install the cleaner version of Windows 10 or 8.1.

Moreover, you can contact Computer tech support experts to get proper assistance on fixing the computer restarted unexpectedly or encountered an unexpected error setup is starting services issue in your device.