A lot of errors could appear when you are running Windows.
The unknown hard error is a common one that many users said they have met.
It often turns the screen black and stops users from doing anything.
How terrible it is!
Seeing an error alert when you are working on a Windows computer is an unpleasant experience.
Recently, people complained they have metunknown hard errorin 1803 (and other versions).
In fact, this hard warning pop-up could appear on any Windows systems in many cases.
Now, Im going to analyze it for you.
Specific Case of Unknown Hard Error after Update
Windows updated last night, cant work today.
So, my lenovo Z51 was working perfectly, however last night Windows updated and today.
Ctfmon.exe success Unknown hard error.
I then click OK and it says Sihost.exe system warning Unknown hard error.
The most recent try it just continues spinning the welcome message and doesnt jump in properly.
I have started insafe modevia msconfig, also disabled all of the startup programs but no change.
Explorer.exe isnt running intask managerso I cant exit it and restart it.
I cant get into control panel either and do asystem restore.
If I grab the start button or right grab the taskbar, nothing happens.
said Windowzupdate on BleepingComputer Support Forum
Obviously, Windowzupdate is troubled by the Windows unknown hard error.
Want to get rid of the annoying unknown hard error?
kindly follow this tutorial to get data back with ease.
Stage 1: create a bootable disk.
Certainly, your operations are limited when you are working on a computer with an unknown hard error.
Therefore, I think you should use abootable diskto access your hard disk data without booting system.
Do You Really Need To Safely Remove USB unit?
Stage 2: boot computer with the bootable disk.
Stage 3: recover data from hard disk.
They also work when you seeOperating System Not Found/Missing Errorand cant enter the OS.
The first way: perform aclean boot.
This method is able to solve the unknown hard error due to software conflict or problematic software.
The second way: use System File Checker tool.
The third way: uninstall recent software and updates.
This method is useful when the error is caused after the installation of the automatic updates.
Thats all about what you should do to deal with the unknown hard error on Windows 10.
You will be kicked out of the system when seeing the unknown hard error on Windows.
Ordinary users often dont know how to deal when stuck in such a dilemma.
If you still cant settle the problem down, like feel free to contact MiniTool support team.
Unknown Hard Error FAQ
