Click on Clear All, then select JPG This is why the plugin to back up IrfanView is important as it will save you time. Run IrfanView as an Administrator, then change the file associations in Settings, Extensions. Microsoft is not going to drop the registry because a few software developers have still bad dreams about Windows 95 Editing the registry should be a last resort if other methods do not work.
Fast and compact ( just 5 MB ) Freeware for non-commercial use Supports Windows XP, Vista, 7, 8, and 10 32 and 64 bit versio I still consider using the registry the best option, especially since it would have saved me time, time I now wasted on checking out what went wrong (IrfanView forgetting its settings), contacting the author, etc. They are: JPEG/PCD/GIF, Extensions, File Handling, Viewing, Full Screen, Video/Sound, Language, Browsing/Editing, Start/Exit, Miscellaneous, PlugIns. Click one of the tabs to see the properties in that section.
A dialog allows you to change many of the basic functions of IrfanView.
Properties, Settings Click on the Options Menu, then Properties (or use the Properties tool on the toolbar).