Windows 7: Desktop icons keep moving after re-boot

whenever i re-boot my desktop icons are all bigger and on the left hand side. i have quite a few things on my desktop and as you can imagine this is extremely annoying also in my downloads folder each time i open it it is on a different view setting than the one i put it on. auto arrange icons is not checked. please help soon as this is extremely annoying. i know there is desktop restore but i am looking for a permanent fix.