I was going thru Windows 98 (first edition) applications section, and accidently hit the MS Dos prompt. It kicked me out into MS Dos, and prompted me to type exit to return to Windows 98 (after the C//. Windows 98 then flashes on, but before the icons appear, it kicks me back into Dos, and prompts me to type exit again. I reboot the computer (Gateway), and it still kicks me into DOS rather than Windows. What can I do to correct this?