Windows 10: KB4549951 random restarts without prompt

I have been having constant random restarts about every 2-4 hours for around a week without any kind of prompt, having an open unsaved word document is the only thing giving me enough time to cancel the restart.

Windows update says update KB4549951 fails with following error : 0xc1900401

The event monitor shows a fuckton of messages from 5 minutes before the restart about

Initiating changes for package Language Pack. Current state is Absent. Target state is Installed. Client id: UpdateAgentLCU.

Initiating changes for package KB4549951. Current state is Installed. Target state is Installed. Client id: LCUReservicing.

A reboot is necessary before package KB4549951 can be changed to the Installed state.

A reboot is necessary before package Language Pack can be changed to the Installed state.

System restore omits generating restauration copy Event 8216 System restore

Initiating changes for package Language Pack. Current state is Absent. Target state is Installed. Client id: UpdateAgentLCU.

Initiating changes for package KB4549951. Current state is Installed. Target state is Installed. Client id: LCUReservicing.

A reboot is necessary before package KB4549951 can be changed to the Installed state.

A reboot is necessary before package Language Pack can be changed to the Installed state.

System restore omits generating restauration copy Event 8216 System restore

Initiating changes for package Language Pack. Current state is Absent. Target state is Installed. Client id: UpdateAgentLCU.

lpksetup.exe tries to restart the system for reason: installation (planned)

try of user xyz to restart the system failed
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submitted by /u/bogate
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:)

 

random restarts

Hi,

If a Windows computer random restarts, the device usually have some damaged system components. For us to provide an accurate solution, we would need you to answer the following questions:

• Which build, version and edition of Windows is installed on your computer?
• What changes have you made to the device before this issue occurred?
• What troubleshooting steps was already performed to your laptop?

In the meantime, it will be best to make sure that the latest update of Windows is installed on your device. If the same issue happens after installing Windows Update, we suggest running the power troubleshooter. To do so, follow these steps:

• Open the Control Panel.
• Using the search bar at the upper-right corner, type troubleshooting.
• From the search results, click on Troubleshooting and then select System and Security.
  
• Click on Power and then follow the prompts to successfully run the tool.

We are looking forward to your response.

 

random restarts

Hi Lili,

Hardware failure or system instability can cause the computer to
randomly restarts. As our initial troubleshooting step, we suggest you to run the Power troubleshooter on your computer and check if it fixes the issue. Here are the steps:

• Press Windows key.
• Type Troubleshoot.
• Under Find and fix other problems look for
  Power.
• Then Run the troubleshooter.

Update us with the outcome and if you need further assistance.

 

Random restarts

when you start the computer up press F8 repeatedly until you get a list of how to start windows, choose do not automatically restart on system failure. if your getting bsod's list what your getting here so we can further help you. IF the system is not getting bsod's and still restarting as you say then i would look into getting a line conditioner for your computer as you might be having power issues.