CIH File Extension

CIH file icon

Generic

What is a CIH file?

Files with the CIH extension are specifically tied to Generic, a Dangerous Files type, and there are 86 files in this category.

CIH file support extends to various operating systems, including Windows. To others a CIH file, you can choose from 9 programs such as Avast Antivirus, Norton Antivirus and ESET NOD32.

How to open a CIH file?

If you cannot open a CIH file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

Thanks to their popularity, Avast Antivirus, Norton Antivirus and ESET NOD32 are often the go-to programs for managing CIH files. If you need the newest version of Avast Antivirus, just access the AVAST website. From there you can download the installer compatible with all systems.

Once Avast Antivirus is installed, the OS should configure it as the default tool for opening CIH files.

Make Avast Antivirus the default CIH viewer

Change the default app to open files on Mac

  1. Right click or use Control + Left Click on the desired CIH file to access a dropdown menu of actions;
  2. Choose "Open in Application" and click "Other";
  3. Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
  4. In this menu, select "All Programs" and search for Avast Antivirus. Check the box next to "Always open in app" to make it the default option.

Change a default app in Windows

  1. Start by right-clicking on your CIH file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
  2. Inside the popup window, scroll through the list of applications and specifically choose Avast Antivirus as the application to associate with your CIH file;
  3. Check the "Always use this app" checkbox and click "OK".

Finding answers to CIH file problems

If CIH files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

What can lead to sudden Avast Antivirus crashes?

Insufficient updates for AVAST products can cause Avast Antivirus to crash. Be sure to regularly install the latest software updates.

A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.

What is the recommended approach to repair a damaged CIH file?

Use a recovery program to open the damaged CIH file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged dangerous files.

What are the ways to check if my CIH file is damaged?

Characteristics of corrupted CIH dangerous files can include:

  • The file encounters problems during the opening process or shows error indications;
  • The file causes Avast Antivirus or other software to hang or crash during various operations;
  • An unexplained increase in the size of the CIH file;
  • Actions performed on the file result in the appearance of error notifications;