For problems in win xp try this program with dosbox which is needed
WEBSITE:
http://www.loonies.narod.ru/dosshell.htm
DOWNLOAD LINK(S)
1.
http://www.loonies.narod.ru/releases/dosshell.exe
2.
http://www.superutils.com/loonies/releases/dosshell.exe
Its practically dos in a window.. it should fix slowness issues with old dos games... it works on my pc for many old games!