Cause:

Solution:

1) Open the 'MS-DOS' window:

a) Click the 'Start' button to display the 'Start' menu.
b) Select 'Programs' and select 'MS-DOS Prompt'.

2) Click the MS-DOS icon in the upper-left corner of the 'MS-DOS' window.
3) Select 'Properties...' from the pop-up menu. (The 'MS-DOS Prompt Properties' dialog box appears.)
4) Do one or more of the following to modify the MS-DOS properties as desired:

a) Click the 'General' tab to view program settings and change file attributes.
b) Click the 'Program' tab to change the program settings and the advanced program settings.
c) Click the 'Fonts' tab to change the window font and size.
d) Click the 'Memory' tab to modify the program's memory settings.