Unknown Hard Error on Windows might occur due to the hard disk damage. So, you can run CHKDSK command to check and fix the issue : Launch Command Prompt (Admin). In the Command Prompt enter this command chkdsk /f /r and click Enter.
1: Clean Boot Windows 10
2: Check and Fix Disk Errors
3: Run SFC and DISM Tools
4: Run the CHKDSK Tool
5: Disable Ctfmon.exe to fix Unknown Hard Error on Windows 10
6: Run Explorer.exe New Task
7: Uninstall Windows 10 Latest Updates Solution 1: Clean Boot Windows 10 You firstly should clean boot Windows 10.
How to fix explorer Exe?
open launch.
Find Notepad and click on all the results above to open the app.
Copy and paste the following custom script into a text file: taskkill /f /im explorer.exe start explorer.exe
Click on the composition of the file and select the “Save As” option.
Enter a description with the name and extension of the .baseball bat file.
Click Register device.
How to fix explorer.exe error?
Restore your computer to our latest restore point, “snapshot” or backup prior to the error.
If Microsoft Office Access 2011 (or the appropriate uninstaller) is now installed, try installing the Microsoft Office Access 2010 software again.
Just run Windows Update.
How to fix unknown hard error in Windows 10?
How to fix unknown fatal error in Windows 10? Solution 1 – Download Windows 10 Flawless
Solution 2: Automatically fix the disk error rate.
The solution is varied: Run SFC DISM and tools.
Solution 4 – Run the CHKDSK tool
Solution 5 – Disable Ctfmon.To exe to fix unknown hardware error in Windows 10
Solution 6 – Run a new Explorer.exe task
Solution 7 – Uninstall the latest Windows 10 updates
How to fix Windows 10 File Explorer not responding?
How to fix explorer that never responds? Method. Restart explorer. Press “Ctrl + Shift Esc” + to open the task manager.
The second way is to check for updates. Go to Start > Settings > Update & > Security Windows Update and select Check for Updates.
Method 3: Check for corrupted files
Method 4: Expand your C drive
Method 5: Clear File Explorer History Files
How do I fix explorer.exe unknown hard error?
DDE server window: explorer.exe – System warning: unknown fatal error…. So you can run the chkdsk command to check and fix the problem:
- Start a command prompt (administrator).
- At the command prompt, press chkdsk /f /r and press Enter.
- Wait for the system scan to complete. Eventually, someone will see the problems that will be solved.
How do I fix explorer exe unknown hard error?
DDE Server Window: explorer.exe – System Alert: Unknown Fatal Error…. So you can run CHKDSK to keep control to check and fix the issue:
exactly this
What does unknown hard error explorer.exe mean?
Of all the Sihost painful error cases, the most common is the unknown Hard-Error.exe associated with this CTF loader. It is said that if you cannot access or start using the file and it tells you that the desktop is not necessarily available, it is a bug.
What is Explorer EXE unknown hard error?
An unknown hard drive error could very well be caused by explorer.exe, sihost.exe, ctfmon.exe, or sometimes other .exe files. Once your website finds the culprit, you can uninstall or update that app while on vacation. An unknown fatal error can also be caused by corrupt system or document registry entries.
What are the differences between unknown unknown risks and known unknown risk?
Gaps Between Known and Unknown Risks To distinguish between known and unknown risks, project managers know they need to prioritize project objectives. Known risks can be identified, studied and planned ahead, while unknown opportunities are unpredictable and described.
How do I fix Ctfmon exe unknown hard error?
Ctfmon.exe Unknown fatal error in Windows 10 solutions
- Fix-1: Clean boot on Windows 10.
- Fix-2: Remove newly installed modification software from Windows 10.
- Fix-3: Detect corrupt system files during SFC /Scannow using command. Use
- fix-4: check cd command to fix unknown fatal error.
- Fix-5: update driver.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.