1.Apple Application support
2.Apple mobile device support
3.Apple software update
Then copy the contents of the Backup folder from the location
to another location in my hard drive and deleted the "Apple computer" folder.
Installed only iTunes latest version. The rest programs from above were installed by iTunes installation.
Opened iTunes, conected my iphone, right click the device and hit backup.
After backup finished I closed iTunes and moved the contents back to the Backup folder in
opened iTunes again and under "Edit - Preferences - devices - device backups" I could see all my back ups!
Also after I conected my iphone this time when I right click the device the "restore from back up" option was available again.
Hope it helps..