Super problem this morning at the opening of a laptop, the user profile does not load automatically after the update to Vista. An error message is indicating a failure of logon service service user profile. I had just over a reinstallation: what misery this OS.

What a way to solve this problem?

It was on a Dell computer and consulting with various topics on web forums. This does not seem concerned that this manufacturer. This is the second time I have problems between Microsoft operating systems and Dell. The first time, this concerned processor e4300 dual core enabled in the bios that was a black screen at startup.

To resolve this error, start your computer, press F8 repeatedly To order a menu with several options before the Vista logo appears.

1. OK booting into Safe Mode.
2. Vista is started, all is well
3. Go to your C: \ Documents and Settings to see profiles
4. Save one that poses particular problems in autostart
5. We create a new profile in order not to cut his legs and safety
6. Start Menu -> in the search field -> enter net user votrenom2 / add
7. Then remove the tool via the management of user accounts:
8. or right click Computer -> Properties -> Advanced Settings tab -> User Profile
9. Finally reboot and you should see the two profiles
10. Log on to anyone who does not work, should take ca
11. Finally recopy your office saved

After checking at the Windows Update, it is a failed update that generated the problem.