No Menu Bars or Scroll Bars
1. Open the task manager by pressing 'Ctrl,' 'Alt,' and 'Delete' if you are not already there.
2. Move the mouse pointer to the edge of the task manager. You can place the mouse pointer on either the left or right.

3. Double-click your mouse. The task manager menu, tabs and scroll bar will appear at the top.
Task Manager Not Opening when you press 'Ctrl,' 'Alt,' and 'Delete' together
4. Click the Windows 'Start' button and click 'Run' (without quotes) or 'Start Search' (Windows Vista users).
5. Type 'gpedit.msc' (without quotes) and press 'Enter' to open the Group Policy window.
6. Click 'User Configuration' and click on the plus ( ) next to Administrative Templates. Double-click the 'System' folder on the right panel and double-click the 'Ctrl Alt Del Options' folder.
7. Double-click 'Remove Task Manager' and click the 'Not Configured' radio button. Click 'OK' to save the changes and close the Group Policy window.
8. Press 'Ctrl,' 'Alt,' and 'Delete' together. The task manager should now open.