March 31

How to fix LocalAppHost.exe High CPU Usage Error


Windows OS is getting updated and advanced day by day. Many additional and advanced features are added in Windows 10 but sometimes these features also cause hardware-related problems. One of the most common problems that almost every user has faced is of high memory usage that is related to service known as LockAppHost. This LockAppHost.exe process causes a high CPU usage without any reason.

If you have also faced this LockAppHost issue then keep on reading. In this article, you will get to know about LocalAppHost.exe errors and its related issues.

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What is LocalAppHost.exe?

In simple words, LocalAppHost.exe is a type of EXE file that is associated with Windows 10 operating system. It is developed by Microsoft Corporation. This file contains instructions which are written in a step by step manner that your PC follows in order to carry out its functions. LocalAppHost is considered as the most trusted and important application of Windows OS. The latest version of LocalAppHost is 10.0.10240.16384, which gets regularly updated along with other general updates.

If you click twice on this executable file, a software developer will automatically begin to execute the instructions to run the program. These files like spreadsheets etc. are very useful for Windows 10.

Most common LocalAppHost.exe Errors

These EXE related LocalAppHost error messages can appear during the installation of the program. LocalAppHost.exe is a software program therefore during windows startup or shutdown, or even during the installation of the Windows OS you can face this error. This error can also occur in any other form of error messages as follows.

1. LocalAppHost.exe Application Error.

2. LocalAppHost.exe has encountered a problem and needs to get closed. We are sorry for the inconvenience.

3. Cannot find LocalAppHost.exe.

4. LocalAppHost.exe is not running.

5. LocalAppHost.exe failed.

6. Error starting program: LocalAppHost.exe.

7. LocalAppHost.exe is not a valid Win32 application.

8. Faulting Application Path: LocalAppHost.exe.

Causes of LocalAppHost.exe error

This error often occurs when a computer startup or program startup happens. Otherwise, it can be attributed to invalid registry entries, missing or corrupt files, and malware or virus infection. The following are some common reasons due to which this error occurs.

1. Virus or malware infection that has corrupted the LocalAppHost.exe file or related Windows 10 Operating System program files.

2. Due to mistakenly deletion of LocalAppHost.exe and its related files.

3. The error may be due to corrupt Windows registry keys linked with LocalAppHost.exe/Windows 10 Operating System.

4. Sometimes a conflict with Windows 10 Operating System and its shared referenced files may be the main cause.

5. Downloading of corrupt or incomplete installation of Windows 10 Operating System Software.

How to fix LocalAppHost.exe Error?

Following are some effective methods to solve LocalAppHost.exe error. I have provided a step by step guide which will help you throughout while fixing this error.

Method – 1: By Restarting LocalAppHost service

The simplest method that you can use to fix this error is by restarting the LocalAppHost services. If you don’t know about restarting LocalAppHost service then don’t worry as I have provided detailed steps of the procedure.

Step – 1: Go to the search bar and type services.msc. there. Now open the services tab.

Step – 2: Look for LocalAppHost service. After you find it then right click on it.

Step – 3: Now go to properties and click on stop then click on Start again.

After following the steps above, restart your computer and check if LocalAppHost is still utilizing your memory or the problem is resolved.

Method – 2: Perform Malware Scan

Sometimes, this error also occurs due to a malware infection in your PC. This malware infection is also capable of damaging, corrupting, or even delete EXE-related files. In addition, it may happen with certain component of Malware Program may be causing it. So performing a malware scan ia very useful in such case. It can also help to resolve this problem.

Method – 3: Run System File Checker on Windows

If the above methods does not help you in resolving LocalAppHost.exe error then you should try this one. System File Checker helps you to find the corrupt system file and automatically replace it with the correct one. Follow the steps below to perform this method:

Step – 1: Click on the Start button then in search bar type-Command.

Step – 2: Press the Enter Tab not immediately but along with the Ctrl + Shift option. A dialog box will appear, asking for permission. Click on Yes.

Step – 3: A black window will open with a blinking cursor. In this window, enter the command sfc/scannow. Hit Enter.

How to fix LocalAppHost.exe High CPU Usage Error

Step – 4: The scanning process will begin by System File Checker that includes LocalAppHost.exe and its system-related files.

Wait for the scanning to get completed and then follow the on screen instructions to complete the process.

Method – 4: Update the Device Drivers to Fix LocalAppHost.exe error

Some of the major reasons that cause EXE error include outdated and corrupt device drivers. It is a difficult task to download and look for the best device driver. That is why it is recommended that one should opt for automatic update of drivers as for manual updating can be tiresome. Incompatible and wrong device drivers may also cause the error. You can seek help from programs like Driver Easy or Driver Talent to update the latest and compatible device driver on your PC.

Method – 5: Uninstall and Reinstall the LocalAppHost.exe Program.

This error also occurs due to programs like Windows 10 OS related software. So by uninstalling and reinstalling the program, you can troubleshoot the issue. Follow the steps below to perform this method.

Step – 1: Locate the start option present on the bottom left side of the screen. Right-click on it.

Step – 2: Now click on the Programs and Features option.

Step – 3: Under the name, column locate the LocalAppHost.exe associated program. Then click on the Windows Operating System-associated entry.

Step – 4: On the menu ribbon present on the top, click on install or Change option.

Now continue and follow the on-screen instructions.

Final Words

This was all about the EXE error. I have mentioned five different methods in this article, along with a step by step guide. If you have any question or complaint then do let me know in the comments section.

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Q1. What causes LocalAppHost.exe high CPU usage error?

A1. LocalAppHost.exe high CPU usage error can be caused by several factors including corrupt system files, malware infections, or incompatible software.

Q2. How can I diagnose LocalAppHost.exe high CPU usage error?

A2. You can diagnose LocalAppHost.exe high CPU usage error by using Task Manager to identify the program or process that is causing the issue, running a malware scan, or checking for system file errors.

Q3. How can I fix LocalAppHost.exe high CPU usage error?

A3. You can fix LocalAppHost.exe high CPU usage error by disabling any unnecessary programs, updating your drivers and operating system, performing a clean boot, or reinstalling the affected application.

Q4. Can a virus or malware cause LocalAppHost.exe high CPU usage error?

A4. Yes, a virus or malware infection can cause LocalAppHost.exe high CPU usage error by running malicious processes that consume CPU resources.

Q5. What should I do if none of the above methods fix LocalAppHost.exe high CPU usage error?

A5. If none of the above methods fix LocalAppHost.exe high CPU usage error, you may need to seek professional help from a computer technician or contact the software vendor for further assistance.


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