run command not work on xp

[Fasix]

hello everyone, 

in my script i use: 

Run(@AppDataDir & '\MyFolder\Myprog.exe')

 that works perfectly in windows 7, 8, 8.1 but not in XP, under 3 different XP computer... so WHY?

EDIT: ShellExecute work but not with all programs (ketarin.exe)

EDIT2: [sOLVED] with quotes, now works on all windows versions

ShellExecute('"' & @AppDataDir & '\MyFolder\Myprog.exe"')

Edited March 28, 2015 by Fasix