Package: konqueror Version 3.5.9.dfsg.1-6 (Lenny), in KDE4 this problem exist too Save page in cache: 1. Konqueror->Settings->Cache->Use cache->Keep cache in sync; 2. Open URL. Open page from cache 1. Konqueror->Settings->Cache->Use cache->Offline browsing mode; 2. Open URL. =====> !!! Konqueror trying connect to the internet !!! An error occured while loading <URL> Unknown host <URL>