I have Win 7-64 Home, I have Spyware Dr (very intrusive program) but just turned it off to try version 970 again.
Same message:
--------------------
Message Box
header: Error
(with yellow triangle exclamation icon)
C:\Program Files (x86)\jv16 PowerTools 2010\jv16PT.exe
A decompression error has occurred (#1026)
Unknown decompression error
Abort Retry Ignore
End of Message box
----------------------------
This error message exists.
Thanks