How can I create selection with exact size or ratio?.Problem: If I rotate a JPG image and save it again as JPG, the saved image has wrong orientation.Problem: If I decrease the color depth to 8 or less BPP, the saved JPG file is always 24 BPP?.
images show all black/dark/invisible, why? Problem: When I resize/resample an image, the image size doesn't change. Problem: Since yesterday, IrfanView shows all images distorted/stretched! Why?.Why I can't scroll a large, zoomed (larger than screen) image in fullscreen mode using arrow/page keys?.How can I pan/scroll an image using mouse (right mouse button)?.How can I highlight an area or draw lines/arrows/rectangles/circles in the image?.Why is the first folder file loading slow (image display is fast, status/tool-bar update is slow)?.Why are some edit menus or the red eye menu greyed out?.Problem: Since yesterday, IrfanView shows all my images black/white (grayscale)! Why?.Is IrfanView (32 bit) compatible with Windows 11/Windows 10/Windows 8/Windows 7/Vista 64 bit?.If I start IrfanView, I am prompted each time to start as Administrator, why?.Is there a portable IrfanView version (for USB sticks, CDs etc.)?.I downloaded IrfanView (or PlugIns) but when I start it, I get the message " This is not a valid (Win32) application"?.Problem: The Add button in the slideshow/batch dialog won't add the selected file to the file list.Problem: IrfanView won't save settings or there is a warning about read-only INI file.Problem: The icons on my desktop are wrong, all show IrfanView/Firefox/etc.Why Windows File Explorer shows IrfanView (or some standard) icon for images instead of thumbnail?.Can I add more PlugIns to the App version (from Microsoft Store)?.How can I copy my IrfanView settings to another PC?.How can I change the desktop icon for IrfanView?.How can I change the icon for IrfanView associations?.How can I play QuickTime MOV (or any other video) files with IrfanView?.
Installation problem: The program did not install properly or installation error is shown.Generic problem with video files: If I try to play some videos (AVI, MP4, MOV etc.): the video is not playing, or I get the error message "Video not available, cannot find decompressor"!.Problem: I can't set IrfanView as my default viewer on Windows 11?.How can I set IrfanView as my default viewer?.How to Upgrade IrfanView: Is it necessary to uninstall the older version before installing the newer version?.
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