Ripristinare Profilo Windows
Updated at: 22/02/2016

Ogni tanto, per motivi sconosciuti, capita che Windows non riesca più a caricare un profilo utente, aprendone uno temporaneo. Per correggere il problema senza creare un nuovo profilo si può seguire questa guida: https://support.microsoft.com/en-us/kb/947215 questi i passi principali:
  1. Click Start, type regedit in the Search box, and then press ENTER.
  2. In Registry Editor, locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
  3. In the navigation pane, locate the folder that begins with S-1-5 (SID key) followed by a long number.
  4. Click each S-1-5 folder, locate the ProfileImagePath entry in the details pane, and then double-click to make sure that this is the user account profile that has the error.
  5. if the folder ends with .bak, remove the extension by renaming it (F2)
  6. Click the folder without .bak in the details pane, double-click RefCount, type 0, and then click OK.
  7. Click the folder without .bak, in the details pane, double-click State, type 0, and then click OK.
  8. Close Registry Editor.
  9. Restart the computer.
  10. Log on again with your account