I'm not sure about win98 but XP seems to install hardware automatically with USB connections. Did you click on the 'new hardware found' bubble? Sometimes this will lead you to an autoinstall. You may need to download a driver from Samsung's website. I'm not familiar with the programme you downloaded as I use Photoshop. Good luck- someone who knows '98 better probably can be of more use.

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1993 320TE M104
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past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
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"music and women I cannot but give way to, whatever my business" -Pepys