Windows 7 x64 freeze diagnostic?

Question

Windows

After the next reboot, Windows 7 x64 began to hang 5-10-20 seconds after logging into the account (restricted entry). When logged in with an account with Administrator rights, the freeze is not observed. When booting in safe mode with networking too.
Now I'm sitting, smoking the event log.
Question! How to find the cause of the freeze?

Answer 1

I would advise you to go about the beaten track:

Answer 2

It was Steam that froze the sound card driver.

Answer 3

forums.steampowered.com/forums/showthread.php?t=1078048