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1-radtool.exe is not a valid win32 application
use old smacker tool
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2-component "COMDLG32"or one of its dependencies is not correctly registered
if u didn't use Admistrator log in for ur widows then some registered file couldn't load for smacker tool
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3-cant load(or register)custom control"COMDLG32"
try get COMDLG32.dll file from this page
http://www.dll-files.com/dllindex/dll-files.shtml?comdlg32and put that dll file in ur system directory and register in ur service