> What does free say? Are you really out of memory? Does top show anything > that's eating a lot of memory? Finally, do free and top show the correct > amount of memory for your system (512MB)? I didn't know free and top until now, I took the information from KDE system guard, which is probably just a frontend to those commands. I was really almost out of memory, and there already was some swap being used. Yes, they show the corect amount of memory.