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Thank for you choose my software
1 Please download recently version
Last upload at23-04-2018
2 Order USB Blocker 100% risk-free
If you're not fully satisfied,you'll get your money back.Guaranteed.

Only $19.93
3 You will receive your unlock keycode immediately. Copy it to registration window of YaoSoft USB Blocker. Enjoy it!
4 USB Block one business day support
Should there be any queries, please don't hesitate to contact me by
 yzf.zisun@163.com