Clicking DOS icon gets MS-DOS mode warning due to MS-DOS program properties.
Cause:
The MS-DOS program properties are set to exit Windows 95 and run in MS-DOS mode.
Solution:
Disable 'MS-DOS' mode to disable 'Prevent MS-DOS programs from detecting Windows'.
1) Right-click the DOS application's icon. (The pop-up menu appears.)
2) Select 'Properties'. (The 'Properties' dialog box appears.)
3) Click the 'Program' tab. (The 'Program' tabbed page appears.)
4) Click 'Advanced...'. (The 'Advanced Program Setting' dialog box appears.)
5) Clear the 'MS-DOS mode' check box.
6) Click 'OK' and click 'Apply'.
7) Click 'OK'.