I have a Dell Inspiron with Intel Core I5. After Microsoft installed some updates, all the program and file shortcuts changes to a little square with dots. The same thing happens with shortcuts pinned to the taskbar. How can I get the pictures back? The computer ran a system back-up after this happened, but the desktop was already changed. If I restore the original system back-up from the disk will I lose the information I have added to the computer since then? Thanks.