Page not found (error 404)

The page http://numerico.altervista.org/%D8%A7%D9%84%D8%A8%D9%8A%D8%B1%D9%83%D9%84%D9%88%D8%B3/tux-paint-v0-9-22-windows-32-bit-portable-e-setup/?lang=ar was not found on this server.

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http://site.altervista.org/Page.html is different from http://site.altervista.org/page.html