I had the exact same problem. The solution is to go into c:\users"username"\AppData\Local\ then right click on "temp" and choose "properies". Choose "security" --> edit --> add, and add the username you are using, and give yourself all rights.
After that it'll work :)
Good luck!
Thank you!!
Sir, i am very grateful for the assistance you are rendering. my point is this, i followed all the instructions you gave but something is still missing
c:/users/username/...videos
skydrive
searches
saved games
pictures
music
links
favourite
download
documents
desktop
contacts
box sync
these are the folders i am seeing and not APPDATA. please help!!!