Desktop Icons Scramble Everytime I reboot?? Win 7

Title says it all.. everytime I reboot my system, my desktop Icons scramble.. How can I fix this?

System Specs:

MOBO- BIOSTAR A55ML2
APU- AMD A8 5600k
GPU- GTX 650
MEM- 6gb ddr3 1333Mhz
OS- Win 7