Casio CZ/VZ Files... part of CZsynth

>Sorry, but one message appear on my monitor when the download is
>complete: "... the arquive is danified and not gonna be restored...".
>The arquive is downloaded, but don\ufffdt open... I try to do it in two
>diferent PC's...

It can help sometimes to use a different program to open it.  If program 
says the file is corrupt, another may be able to open it with no problems.  
The program you're using may be outdated, buggy, or just might not tolerate 
errors well.