I thought problems were gone..but in fact they are still there..but I have more info about what happens.. It seems that the system runs into general problems (slow response time) 50% of the times I boot it. I can detect that, because those times KDE does not run at all ! It get stuck into the loading at "initializing system services". So then, I ctrl-alt-backspace and go into IceWm..But the problems are still there..I click on a terminal, or on some apps like rosegarden..and they open 5 minutes later. Other times, when I can get into KDE, then I can work with IceWm without problems too. It is very strange because it happens 50% of the time. Also, 50% of the time (but not especially the same), I cannot reboot the pc..it get stuck on "send kill signal to apps" (in spanish), or in "stopping named" (in spanish too). I'm a little disappointed..I don't know what to do (As I said earlier, md5sum is ok). I ran into a lot of problems trying to configure the keyboard layout too..I discovered that they are tons of files where you can set LANG, KEYBOARD..etc..and lots of conf apps too..In the end, it works, but with lot of effort.. It would be great if someone could help me :-) bye.