Windows cannot find the local profile and is logging you on with a temporary profile. Changes you make to this profile will be lost when you log off.

Details
Product:	Windows Operating System
Event ID:	1511
Source:	User Profile
Version:	5.2
Symbolic Name:	EVENT_TEMPPROFILEASSIGNED
Message:	Windows cannot find the local profile and is logging you on with a temporary profile. Changes you make to this profile will be lost when you log off.

Explanation
Windows could not log you on with your local profile and has issued you a temporary profile. Possible reasons include: Your local profile is corrupt. You no longer have adequate privileges to the profile folders. All changes made to the temporary profile will be lost when you log off.

User Action
Monitor Event Viewer for additional profile events that might indicate why this occurred.