Resolve: Windows 7 hangs at Welcome screen with the blue swirl continuing indefinitely

If when you log on to a computer that is running Windows 7 or Windows Server 2008 R2 and the logon process freezes at the Welcome screen with the blue swirl continuing indefinitely, then this article may interest you.

On hang, the computer stops responding to any network-related commands. To recover from this issue, you must forcibly restart the computer

This issue occurs because of a race condition between the Windows Event Log service and the Event Tracing for Windows (ETW) tracing functions which causes a deadlock situation.

This deadlock situation then causes the Winlogon.exe process to become unresponsive.

To resolve this issue, visit Microsoft KB2578159, download and run the available hotfix.


2 responses to this post.

  1. Posted by Foodeooo on February 7, 2012 at 7:27 pm

    I tried this, but the link to the hotfix (that they force you to go through email to get) does not work.


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