Did you try adding the sources exactly as described above? If you missed the deb or intrepid or main or something, the source will not add correctly. If you are unsure of anything in that line, just copy that line into the "Add a source" dialog box.
Did you try adding the sources exactly as described above? If you missed the deb or intrepid or main or something, the source will not add correctly. If you are unsure of anything in that line, just copy that line into the "Add a source" dialog box.