
Its major selling point is the fact it doesn’t require installation, but the need to re-download a fresh version every 10 days works against Microsoft Safety Scanner. The reasoning is sound – download a single package, perhaps on to a clean computer before transferring it across – but it’s still annoying as it means the tool can’t be downloaded and stored somewhere safe before updating and using.

There’s no update facility within it instead the program will expire 10 days after downloading, forcing you to download it afresh before running it. It will ask you to choose the 32 or 64 bit version depending on which. The download includes all the latest definitions at the point the program was downloaded, hence the large download size. You will want to visit the Microsoft Safety Scanner web site to download the program. If any infections are found, the tool will attempt to remove them.Īnd that’s pretty much it. Start with a quick scan, migrating to the full scan if nothing is found and you still don’t trust the results. Just download the correct version (this is the 64-bit version, there’s also a 32-bit version available), then double-click the tool and follow the instructions. Microsoft Safety Scanner is one such tool – it presumably uses the same virus definitions and technologies as Microsoft’s popular Security Essentials package, albeit without any real-time protection.
#Cannot run microsoft safety scanner install#
If you don’t want to install another program on your PC, try a portable option: download the program, run the scan, job done.

What you need to do is run an anti-malware tool that has scan-and-remove capabilities, but doesn’t offer any realtime protection. The problem is, you can’t just go and install another anti-virus tool, because chances are it’ll conflict with the program already on your system.

systemroot\debug At the location, double-click the file. In the Run dialog box, copy and paste the environment variable below and hit Enter. If your computer is playing up, but your security tool swears blind there’s nothing wrong, you might want to get a second opinion. To do so, follow these steps: Press Windows key + R. Sometimes you can’t trust your security software to have blocked a specific threat.
