This behavior may occur for one of the following reasons:
The Auto-hide the taskbar option has been selected for the Taskbar and Start Menu Properties.
Your user account settings are corrupted.
The core files are damaged.
The Explorer.exe file does not load during startup.
To resolve this issue, use one of the following methods.
Method 1: Make sure that the auto-hide option is not enabled for Taskbar and Start Menu Properties
To determine whether the auto-hide option is not enabled for Taskbar and Start Menu Properties, follow these steps:
If the Start menu appears, right-click the Start menu, and then click Properties.
Click the Taskbar tab, clear the Auto-hide the taskbar check box, and then click OK.
Method 2: Log on as a different user
Log off as the current user, and try to log on to the computer as a different user. If logging on as different user resolves this problem, create a new user account, and try to copy the settings from the old user account to the newly created user account. To do this, follow these steps:
Restart the computer. When the Power On Self Test (POST) is complete, press F8.
On the Windows Advanced Options Menu, use the ARROW keys to select Safe Mode
, and then press ENTER.
When you are prompted to select which operating system to start, select Microsoft Windows XP edition where edition is the edition of Windows XP that is installed, and then press ENTER.
On the To begin, click your user name screen, click Administrator.
Type the administrator password, and then click the arrow button.Note
In some cases, the Administrator password may be set to a blank password. In this case, do not enter a password before you click the arrow button.
to close the message that states that Windows is running in safe mode.
, right-click My Computer
, and then click Manage
In the Computer Management (Local)
list, expand Local Users and Groups.
Right-click the Users
folder, and then click New User
Type the user name and password in the appropriate boxes, and then retype the password in the Confirm password box.Note
If you do not want to assign a password to the user account, do not type a password in the Password
or Confirm password boxes.
Click to clear the User must change password at next logon check box.
Click to select the Password never expires check box if you do not want the password to expire.
, click Close
, and then exit the Computer Management snap-in.
Restart Windows as usual, and then log on as the new user that you created.If the issue is resolved, reinstall the programs that you want, and then copy the documents that you want from the My Documents folder of the old user account. To copy the contents of the My Documents folder of the old user account, follow these steps:
Fore more details click here