Used SafeDownload for Windows?
The Download Now link will prompt a local download of the Firefox extension. To install the extension directly, open the file using your Firefox browser.
Developer’s Description
By Ron Beckman
Automatically scan downloaded files for viruses. You can choose to scan immediately after the file has downloaded or wait until Firefox exits. Works well with NOD32 anti-virus. This version is the first release on CNET Download.com.
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