I click on the optimize my PC has been prompted to download failed.

I am in china.

Explain your problem here.
We don’t provide support by mail.

You also shouldn’t advertise your email on a public forum unless you want it harvested by spammers.

thanks eddy and CraigB, Can I delete email addres?
my trouble:
step 1. click the ‘optimize my PC’ button
step 2. downloading //Right here, waiting for a long time, and then prompt the download fails.

What os/sp?
Are you using wifi or cable?
What is the error?

cable, windows 7 / Unicom

Anybody here ?