I tried this on T-Mobile Vibrant ECLAIR from Windows 7 64bit.
Samsung Drivers Installed and confirmed in device manager
.net framework 4 Client Profile installed
.net framework 4 Extended isntalled
First of all ClamAV detected virus in Galaxy S I9000 One-Click Root.exe and quarantined it. Therefore I had to make exeption on Galaxy S I9000 One-Click Root directory.
When I double click Galaxy S I9000 One-Click Root.exe I get error:
The application was unable to start correctly (0xc000007b). Click OK to close the application