Stop System Hang at Startup

There are many things that can cause a computer to hang, or not responding at startup. This article is all about the case where there is no error message given on the screen telling you that there is a problem.

If the computer is not responding after Startup, the cause may be as explained in the following article from the Microsoft Knowledge Base:
 
Provided that your system hangs about 2 or 3 minutes at startup, in which you can't access the Start
button or the Taskbar, it may be due to one specific service (Background Intelligent
Transfer) running in the background.

Microsoft discuss on this and explain the causes as follows

• An antivirus program warning screen may be hidden behind the Windows logo screen. This can occur if Windows is loading an antivirus program from the Autoexec.bat file to automatically check for a virus. The antivirus program detects that the Command.com file has changed as a result of the Windows installation and pauses the computer to inform you and wait for your input.
• The display adapter that is installed in your computer is not properly processing the video-mode switching that occurs when the Windows logo screen is displayed. This video-mode switching does not occur when you choose Step-By-Step Confirmation from the Startup menu, because the Windows logo screen is not displayed.
  

Here's what you do:

1. Click on Start/Run, type 'msconfig', then click 'OK'.
2. Go to the 'Services' tab, find the 'Background Intelligent Transfer' service.
3. Disable it, apply the changes & reboot 

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