Problem "revision dowsn't match" with Ghostscript 8.60 and GSView 4.8

[gialloporpora]

Dear,
I have recentlly upgraded Ghostscript to version 8.60. I have 
uninstalled Ghostscript, uninstalled §GSView and reinstalled Ghostscript 
and Gsview. I have this error when I try to open a PDf file:
=====
GSview 4.8 2006-02-25
gs: Interpreter revision (860) does not match gs_init.ps revision (854).
gsapi_init_with_args returns -100
======

I have tried to uninstall another time GS and Gsview removing manually 
all registry values for Ghostscript with regedit but I have the same error.
Somebody know a fix ?
Thanks
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