A Portable Antivirus Software from Microsoft

Is your computer infected with a virus that is preventing you from downloading security updates from the Internet or from running any antivirus program on that machine? Or are your looking for an antivirus software that can be carried on a USB drive to quickly scan any disconnected computer(s) for viruses or malware?

You should check out Microsoft Safety Scanner. This is a free antivirus software, always updated with the latest definitions, and requires no installation - all you need to do is copy the program executable msert.exe to an infected computer and double-click that file. If it detects a problem, the infected files will be quarantined.

Antivirus for USB

You may either do a thorough scan - check every file and folder - or a quick scan that checks a limited number of folders that are most likely to contain viruses, malware or spyware.

Microsoft Safety Scanner is available as a free download for both 32-bit and 64-bit version of Windows. You may use on Windows XP, Vista or Windows 7 machines and, unlike Microsoft’s other antivirus software, Safety Scanner doesn’t perform a check for genuine Windows.

The program expires after 10 days but you can always re-download it with the updated virus definitions. It won’t however scan your Outlook emails or your network drives for any possible infections.

Amit Agarwal

Amit Agarwal

Google Developer Expert, Google Cloud Champion

Amit Agarwal is a Google Developer Expert in Google Workspace and Google Apps Script. He holds an engineering degree in Computer Science (I.I.T.) and is the first professional blogger in India.

Amit has developed several popular Google add-ons including Mail Merge for Gmail and Document Studio. Read more on Lifehacker and YourStory

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Awards & Titles

Digital Inspiration has won several awards since it's launch in 2004.

Google Developer Expert

Google Developer Expert

Google awarded us the Google Developer Expert award recogizing our work in Google Workspace.

ProductHunt Golden Kitty

ProductHunt Golden Kitty

Our Gmail tool won the Lifehack of the Year award at ProductHunt Golden Kitty Awards in 2017.

Microsoft MVP Alumni

Microsoft MVP Alumni

Microsoft awarded us the Most Valuable Professional (MVP) title for 5 years in a row.

Google Cloud Champion

Google Cloud Champion

Google awarded us the Champion Innovator title recognizing our technical skill and expertise.

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