Fix Unknown Hard Error on Windows 10 (solved)

Fix “Unknown hard error” on Windows 10

1. Press Windows +R button to open the Run window.
2. Now type msconfig in run prompt and hit Enter.
3. On System Configuration window, open Services.
4. Now check Hide all Microsoft services box and select Disable all.
5. Open Startup tab and click Open Task Manager.
6. Click on each startup item and select Disable.

1. How do I fix unknown hard error?
2. How do I fix Sihost EXE unknown error?
3. What does hard error mean?
4. How do I fix LogonUI exe in Windows 10?
5. What does unknown hard error mean on my computer?
6. Is Ctfmon exe a virus?
7. Is Sihost exe a virus?
8. What does Sihost EXE system warning mean?
9. What is the difference between a soft failure and a hard failure?
10. How do you do a clean boot?
11. How do I open Safe Mode in Windows 10?
12. How do I replace LogonUI EXE?
13. How do I start PC in Safe Mode?
14. How do I get rid of LogonUI EXE?

How do I fix unknown hard error?

Methods to Fix “Unknown Hard Error” on Windows 10, 8 and 7

1. Fix 1: Perform a Clean Boot. ...
2. Fix 2: Perform an SFC scan. ...
3. Fix 3: Run CHKDSK to fix damaged or bad sectors on Hard drives. ...
4. Fix 4: Check for any recent software changes. ...
5. Fix 5: Update outdated or faulty drivers.

How do I fix Sihost EXE unknown error?

A large number of users encounter sihost.exe system warning unknown hard error after installing new updates or software. That indicates the error can be caused by some incompatible changes. To fix the sihost.exe hard error, you can try deleting or uninstall the recently installed features.

What does hard error mean?

A hard error is an issue in RAM that results from a permanent physical flaw in the module caused by a hardware failure or defect. Hard errors can manifest as a memory module that does not register on start and prevents booting.

How do I fix LogonUI exe in Windows 10?

If you can't log in to Windows due to LogonUI.exe Application Error, you might be able to solve it simply by using a single keyboard shortcut. Few users reported that they fixed the problem simply by pressing Ctrl + Alt + Del shortcut for 10 seconds.

What does unknown hard error mean on my computer?

Unknown hard error popup message can occur while playing a game, opening or closing applications, executing any file, automatic Windows updates, or doing just about anything on your system. ... The Unknown hard error can also be caused by corrupted system files or registry entries.

Is Ctfmon exe a virus?

Ctfmon.exe is a legitimate file and hence malware programmers spread the infection on to the sytsem by naming a virus program as ctfmon.exe, hence make it sounds legitimate to the users. ... This calls for an immediate system scan to avoid malware infection on the system.

Is Sihost exe a virus?

Is sihost.exe a virus? No, it is not. The true sihost.exe file is a safe Microsoft Windows system process, called "Shell Infrastructure Host". However, writers of malware programs, such as viruses, worms, and Trojans deliberately give their processes the same file name to escape detection.

What does Sihost EXE system warning mean?

Fix: sihost.exe Unknown Hard Error after Windows 10 April 2018 Update 1803. ... These error messages may indicate that there are corrupted or broken system files in the OS, or there are conflicts between the third-party software and the updated Windows system.

What is the difference between a soft failure and a hard failure?

In this context hard failures are errors that occur through process defects and/or circuit bugs – hard failures are repeatable with the correct sequence of actions within the microcontroller. Soft errors occur through no failure of the circuit or defect but due to an external source that causes the data to change.

How do you do a clean boot?

How to perform a clean boot

1. On the Services tab of System Configuration, select Hide all Microsoft services, and then select Disable all.
2. On the Startup tab of System Configuration, select Open Task Manager.
3. Under Startup in Task Manager, for each startup item, select the item and then select Disable.
4. Close Task Manager.

How do I open Safe Mode in Windows 10?

How do I start Windows 10 in Safe Mode?

1. Click the Windows-button → Power.
2. Hold down the shift key and click Restart.
3. Click the option Troubleshoot and then Advanced options.
4. Go to “Advanced options” and click Start-up Settings.
5. Under “Start-up Settings” click Restart.
6. Various boot options are displayed. ...
7. Windows 10 starts in Safe Mode.

How do I replace LogonUI EXE?

If the logonui.exe error message indicates any . dll file, You should replace it with the fresh one. You can simply boot into safe mode with command prompt and download the . dll file from online and replace in C:\Windows\System 32\.

How do I start PC in Safe Mode?

1. Restart your PC. When you get to the sign-in screen, hold the Shift key down while you click Power. ...
2. After your PC restarts to the Choose an option screen, go to Troubleshoot > Advanced options > Startup Settings > Restart.
3. After your PC restarts, you'll see a list of options. Press 4 or F4 to start your PC in Safe Mode.

How do I get rid of LogonUI EXE?

Step 1: Simultaneously press CTRL+ALT+DEL keys to open Task Manager. Step 2: If you notice logonui.exe located outside the designated c:\windows\system32, you should run an antivirus scan to get rid of the malware.