zhè / tái / diàn nǎo / rǎn dú / le / suǒ yǒu / wén jiàn / dōu / bèi / jiā mì / wú fǎ / dǎ kāi

这台电脑染毒了，所有文件都被加密，无法打开。

This computer got infected with a virus; all files are encrypted and cannot be opened.