Hi Riccardo,
By default the PE patches should be available via web license system.
The HC12 v5.1 is the last version of HC12 development tool.
All installer and patches for current versions are available through web license system.
For details, please have a look at:
How to download a Service Pack / Patch / Update?
There is a problem with the HC12 v5.1.
Some files are missing.
I've contacted the webmaster.
Keep you informed when the problem will be solved.
Have a great day,
Pascal
Freescale Technical Support
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