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How to Fix Sihost.exe Unknown Hard Error in Windows 10?

Sihost.exe Unknown Hard Error in Windows 10 generally occurs at the time when you start or shut down your computer system. Users have also mentioned that this error pops up when they try to initiate a particular program. Although there is no proper solution for dealing with this problem but you can close the dialog box to deal with the problem on a temporary basis.

If sihost.exe unknown hard error appears frequently, then it can lead to issues associated with the system. These problems include booting process slowing down, full disk usage, or computer running slowly. Before we initiate a talk regarding the workarounds, we must first know what this error is and how it is caused. It is actually an invisible EXE file that is used by Microsoft for tracking certain applications. Moreover, it is used for tampering with the programs that are already running on the system. Hackers generally use this file for infecting and manipulating the system.

Reasons for Sihost.exe unknown hard error in Windows 10

  • Distorted or faulty registry keys of Windows.

  • Malicious software or virus has corrupted the files on your system.

  • Malicious or accidental  deletion of a particular program.

  • Corrupt or improper download of Windows 10 operating system.

Different solutions to solve the issue of sihost.exe unknown hard error

Solution 1: Revert the changes made in the software recently

If you are 100 percent sure about a program, application, or software, which is leading to the error banner, then you must remove or reinstall that application. This is how your issue will be resolved if a certain software is causing this error.

Solution 2: Clean Boot

Step 1: Start the run dialog box and enter the msconfig in the section provided for that text. In order to execute the command, you need to press enter.

Step 2: This will launch the box of system configuration, remain on the general tab. Now, select the option of Selective Startup and then untick the Load Startup Items.

Step 3: After that, navigate to the services tab and take a look at the box that is right beside to hide all microsoft services. Then, select the button of disable all.

Step 4: Click on OK to make the changes applicable. Now, start the device again to locate the program with issues.

Solution 3: Through CHKDSK command

Step 1: Type cmd in the search field of Cortana. Now, right click on the result that pops up in front of you. Out of all those options select Run as Administrator.  

Step 2:  Type the command that is mentioned in a black panel in the command that is given below. Finally, click on enter for scanning the errors.

Once you are done with the scanning, the operating system will begin to repair the faulty portions. Finally, sihost.exe Unknown Hard Error after Windows 10 issue will get resolved.

Solution 4: Solve the sihost.exe unknown hard error by giving Scannow Command

Step 1: In this case as well, you first have to open the command prompt. So, again you will have to type cmd in the cortana section.

Step 2: Press enter, shift, and control keys together at the same time. Now, enter C:\Windows\system32>sfc/ scannow. Your sihost.exe unknown hard error issue will get fixed as this command will scan errors in your computer system.

Solution 5: Repair drivers

In case this error still exists on your computer system, then the only solution left to get rid of this problem is to fix the drivers.If you have any incompatible, absent, or old drivers on your system, then there is a chance that these drivers are causing the problem of  sihost.exe unknown hard error in Windows 10. If that is the problem you have encountered, then the best way to deal with this problem is to download the professional drivers.

By following any of the above-mentioned methods you can easily solve your problem of sihost.exe unknown hard error. You must try out each of the methods mentioned above, as any of these solutions can resolve the trouble you are going through.

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