If this is a new installation, ask your hardware or software manufacturer.
如果这是新的安装,询问你的硬件或软件制造商。
The computer would think it's an update coming from the software manufacturer.
电脑会认为这是一个更新来自软件制造商。
Dat files should be updated weekly from the website of your antivirus software manufacturer.
DAT文件应每周更新一次从网站上您的防病毒软件制造商。
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