I seem many instances of Winlogon process running on my system at the same time. I though that gets executed only when I log on to the system. And that should be once. But I see many processes going on. Is it something unusual?
If you get continual lockouts after changing your Active Directory password, there are several possible reasons. Two of the most common are using other devices to access your email and stored passwords in the credential manager of windows.
On some Windows 7 (SP1) computers, Windows Update becomes super slow even the computer is reasonably fast. There's one solution that seemed to have worked well for me (after trying a few other suggested solutions).