Select the kind of scan you want to run and the folders that you want to scan, and then click Next. If you agree, select the check box next to Accept all terms of the preceding license agreement, click Next, and then follow the onscreen instructions through the next few steps. If you are prompted to run the file as an administrator, click Yes.

To do this, insert the USB flash drive or CD into the infected computer, and then double-click the downloaded file on the removable media. On an uninfected computer, browse to the Microsoft Safety Scanner download page, and then click Download Now.Ĭlick Save as, and then save the file to a USB flash drive or a blank CD.Īfter the file download is finished, run the file on the infected computer. Save the Microsoft Safety Scanner to removable media on an uninfected computer, and then run the tool on the infected computer. Method 1: Run the Microsoft Safety Scanner from removable media If a malware infection is preventing you from downloading the Microsoft Safety Scanner to your computer, use one of the following methods to download and run the tool.

You cannot download the Microsoft Safety Scanner to your computer because your computer is infected by malware.

Run microsoft safety scanner