Step 1: Start the System Configuration Utility
1.Click Start, click Run, type msconfig, and then click OK.
2.The System Configuration Utility dialog box is displayed.
Step 2: Configure selective startup options
1.In the System Configuration Utility dialog box, click the General tab, and then click Selective Startup.
2.Click to clear the Process SYSTEM.INI File check box.
3.Click to clear the Process WIN.INI File check box.
4.Click to clear the Load Startup Items check box. Verify that Load System Services and Use Original BOOT.INI are checked.
5.Click the Services tab.
6.Click to select the Hide All Microsoft Services check box.
7.Click Disable All, and then click OK.
8.When you are prompted, click Restart to restart the computer.
Step 3: Log on to Windows
1.If you are prompted, log on to Windows.
2.When you receive the following message, click to select the Don't show this message or launch the System Configuration Utility when Windows start check box, and then click OK.
You have used the System Configuration Utility to make changes to the way Windows starts.
?The System Configuration Utility is currently in Diagnostic or Selective Startup mode, causing this message to be displayed and the utility to run every time Windows starts.
?Choose the Normal Startup mode on the General tab to start Windows normally and undo the changes you made using the System Configuration Utility.
Now reboot and then shutdown a few times to see if that cures the problem