Turbogear installing error.

[CL (Ciu Loeng) Lam]

HI,there:
I get the errors below when installing the Turebogear,could anyone help me ?
Thanks in advance.

error: Not a recognized archive type: c:\docume~1\admini~1\locals~1\
temp\easy_in
stall-y2znne\PasteScript-1.6.3.tar.gz
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