What Is Custominstallexec.exe & What to Do When It Is Not Found

If you have encountered the custominstallexec.exe not found error, you have first-hand knowledge of how frustrating this situation can be. This error can keep you from launching and enjoying your favorite games, but we will offer solutions to help fix this problem in this article.

We will cover everything you need to know concerning this file so you will be confident enough to troubleshoot any error you might encounter. We also recommend checking out our other guides, where we talk about some important files like BitLockerDeviceEncryption.exe and BioIso.exe.

What is CustomInstallExec.exe?

CustomInstallExec.exe is a file that comes as part of the Windows operating system and is responsible for installing dependencies for Microsoft Store apps. If this file has a problem, you might have trouble accessing many of your downloaded applications.

Is this file a virus?

According to our research, the probability of the CustomInstallExec.exe file being a virus is very low as this file carries out critical roles on your Windows device.

However, it is important to remember that some files could get corrupted after being downloaded from the internet, so if you suspect that the file has been infected, you should run a malware scan.

Also, remember that some malware programs could use the name of this file to avoid detection, making it essential to be on high alert.

How do I fix custominstallexec.exe not found?

1. Run the SFC scan

1. Press Windows + R together, type cmd in the text field, then hit Ctrl + Shift + Enter simultaneously to open the command prompt in administrator mode.
   
2. In the command prompt, input the command below and hit Enter.
   sfc /scannow
   
3. Allow the command to run and check if the customInstallExec.exe not found error persists.

2. Reinstall the problematic application or game

1. On your desktop, locate the application or game giving the problem, right-click, and select Delete.
   
2. After removing the app, go to your Microsoft Store, look for it, and reinstall it on your device.
3. The problem could be that the application is missing some files, and reinstalling it should fix this problem.

3. Reinstall the Microsoft Store

1. Hold the Windows + I keys simultaneously to open the Settings app and choose the Apps option.
   
2. Scroll down and look for Microsoft Store, once you find it, click on it and choose Uninstall.
   
3. After removing the app, go to the Microsoft Store official website and reinstall the app on your Windows device.

Following the steps outlined in this guide should give you a solid knowledge of how to effectively troubleshoot issues associated with the customInstallExec.exe.