There is a solution click here that involves editing the registry.
"1. go to start-run-regedit.
2. do a search for system32.exe and you should find one that is in a catagory on
the right hand side that says SHELL explorer.exe "system32.exe"
3. edit that string just so it says explorer.exe and then exit regedit and reboot
As soon as you do step 1, File/Export and save a copy to the desktop. If things go wrong you can double click this to restore the registry.