a delay may occur as the thumbnail view is managed, more so the first time when the thumbnail cache database is built. The portable version (from PortableApps) sometimes has problems saving its settings, ignoring them at random. Quitting and restarting the app (not PortableApps or the underlying OS) usually solves this problem. See also Comparison of image viewers IrfanView XnView External links Shortcuts v 4.3 (German PDF) Features in Faststone Image Viewer Image organizers Pascal (programming language) software Windows multimedia software Windows-only software 2004 software