XnView

Lack of software updates is a possible reason behind XnView crash. Keep your developer products up to date by installing the latest 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.

Setting a default program by file type in Windows

1. To get started, right-click your file, then choose "Open With" and select "Choose Another Application" from the context menu;
2. From the list of applications in the pop-up window, find and select XnView as your desired application;
3. Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening files.

Change Default Program on Mac

1. Initiate a right click or use Control + left click on the desired file to open a menu where you can select various actions;
2. Select "Open in application" and click "Other";
3. Look towards the bottom of the window, where you will find the "Enable" menu. "Recommended programs" will be the default selection;
4. Select "All Programs" from this menu and proceed to search for XnView. Check the box next to "Always open in app" to set it as the default option.