OS: Windows - 32 bit
When selecting Filter by > Images and reopening the Filter by for a second time, the entry "Custom" is still checked.
Effect: Irritating/Unexpected behaviour
To reproduce:
1. Start XnView
2. In XnView browser select Filter by » Image.
3. Then select "Filter by" only to keep the menu open.
Actual behaviour (bug): The entry "Custom" is still checked.

Expected behaviour: The previously selected entry "Images" should be checked.