On both Windows 10 and 11 PCs, Microsoft Photos is the default app for opening JPG files. So, if there's a problem with this app, it may fail to open any JPG files.

You can change the Image Thumbnail size using Registry Editor or Explorer Ribbon in Windows 11/10. We show you how to make them bigger or smaller.

How to open Windows’ awesome Snipping Tool with a single key press The screenshot app Snipping Tool integrated in Windows 10 and 11 can be set so that it's called up by pressing the print key.