error al rootear mi iconia A100

[CarloxTheBoy]

Bueno, siguiendo los millones de tutoriales que he visto al abrir el rooteador de la A100 me sale lo siguiente

Full root for A100, A500 and A510 ICS. Simple method.
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 Device connected. Preparation for executing of the main script.
push: tools/su -> /data/local/tmp/su
push: tools/runit.sh -> /data/local/tmp/runit.sh
push: tools/mount.sh -> /data/local/tmp/mount.sh
push: tools/mempodroid -> /data/local/tmp/mempodroid
cannot open 'tools/mempodroid': No such file or directory
push: tools/getroot.sh -> /data/local/tmp/getroot.sh
push: tools/delroot.sh -> /data/local/tmp/delroot.sh
push: tools/busybox.sh -> /data/local/tmp/busybox.sh
push: tools/busybox -> /data/local/tmp/busybox
8 files pushed. 0 files skipped.
1120 KB/s (803082 bytes in 0.700s)
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 Preparation is finished.
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 Executing of the main script.
remote object '/system/bin/su' does not exist
 The file "su" isn't created!
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 Not getting root! :(
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 Error!
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 Press any key.

¿Alguna idea de que puede ser?