How To Use Microsoft Safety Scanner To Scan For Malware?

Last updated on February 28th, 2026 at 6:20 am

Seamless internet connectivity is essential for any system to perform various functions effectively. However, this internet connection comes at the cost of increased cyber threats. The personal and professional data of the users is at stake with malware trying to enter the systems. Hence, there is a need for a straightforward and effective solution to scan for possible malware on the Windows system.

Microsoft Safety Scanner MSERT is a perfect solution for scanning malware on Windows systems. Downloading the latest version of this tool helps users detect and scan malware in the system. Let us know all about Microsoft Safety Scanner and the detailed steps to use it.

Microsoft Safety Scanner- What is it?

Microsoft Safety Scanner is a dedicated tool used on the Windows system for displaying suspicious malware files and their locations. Further, the Microsoft Malware Protection Center detects if the file has any malware or needs to be deleted from the Windows system.

Microsoft Safety Scanner can be used when manually triggered only. It is a free and standalone tool available from Microsoft. Users can quickly download this scanner for scanning the malware in the system, followed by a separate tool to delete the malware. It can be quickly downloaded for different Windows systems, i.e., 32-bit or 64-bit. The three different scan modes, i.e., quick scan, full scan, and customized scan, can be used according to the user’s needs.

Microsoft Safety Scanner

Why choose Microsoft Safety Scanner over Microsoft Defender?

One common question that comes to the mind of Windows users is the use of Microsoft Safety Scanner over Microsoft Defender. First things first, both these tools have different modes of functioning and uses. Hence, there is no need to confuse the main reason for Microsoft Safety Scanner and Microsoft Defender.

Secondly, Microsoft Defender is used during the normal operation of the Windows system. However, it can’t be used in cases of malware threats. Thus, Microsoft Safety Scanner is perfect for detecting malware threats and events when Microsoft Defender can’t be used.

Go through a quick comparison between the two to understand their key differences in detail, as mentioned below:

Sr. No.FeatureMicrosoft Safety ScannerMicrosoft Defender
1TypeIt is only a malware detection tool.It is a full-on antivirus.
2Mode of useIt can be quickly used after downloading only.It needs a complete installation.
3OperationIt can only detect malware.It can detect and eliminate malware from the system.
4Time requiredIt can be used quickly.It takes time for full operations.

Microsoft Safety Scanner- System requirements:

Microsoft Safety Scanner runs effectively on the following Windows versions:

  1. Windows 11
  2. Windows 10
  3. Windows 10 Tech Preview
  4. Windows 8.1
  5. Windows 8
  6. Windows 7
  7. Windows Server 2019
  8. Windows Server 2016
  9. Windows Server Tech Preview
  10. Windows Server 2012 R2
  11. Windows Server 2012
  12. Windows Server 2008 R2

Steps to use Microsoft Safety Scanner to scan for malware:

Step 1. Download Microsoft Safety Scanner on the system from the official website. It is easy to use the following links:

  • For 32-bit Microsoft Safety Scanner, go for this link
  • For 64-bit Microsoft Safety Scanner, go for this link

Step 2. Right-click on the Microsoft Safety Scanner and select “Run as Administrator.”

 Run as Administrator

Step 3. Go to the “Accept all terms of the preceding license agreement” box and click on “Next.”

Accept all terms

Step 4. Go to the “Next” option to scan for and help remove viruses, spyware, and other unwanted software from the system.

start scan process

Step 5. It is easy to select the type of scan from the available three options, Quick, Full, and Customized scan.

  • The quick scan covers all the system areas having a high chance of storing unwanted software, spyware, viruses, etc.
  • A full scan covers the entire system and may take multiple hours. Hence, while running a full scan, be ready to spare some minutes to scan the entire system.
  • The customized scan covers the specific folder contents only.

Once the type of scan is selected, click on the “Next” option then.

scan type

Step 6. Once done, the Microsoft Safety Scanner starts computer scanning. The tool shows a dedicated report of the detected and removed software after completion.

scanning system

Step 7. It is easy to review the scan results displayed on the screen. Click on “Finish” to exit the wizard.

 scan results

Step 8. Microsoft Safety Scanner saves a log file of every action. It is easy to view this tool’s log file at %SystemRoot%\debug\msert.log for detailed detection results. It can be opened in Notepad also to get more information.

Errors in Microsoft Safety Scanner

Like any other utility, Microsoft Safety Scanner has its specific limitations. Firstly, it can be used for ten days after it has been downloaded to the Windows system. This tool doesn’t remove the malware but only scans the system. The only method to get rid of the malware file is to locate and manually remove it. In addition to it, it is necessary to use the updated Microsoft Safety Scanner to keep the security definitions protected from aging out.

Some of the common errors observed while using Microsoft Safety Scanner are:

  1. Code 0x80508019: It means that the scan destination file or drive does not exist.
  2. Code 0x80508007: It indicates that there is not enough memory to finish the process.
  3. Code:0x80508024: It hints that a complete scan is necessary.
  4. Code 0x80508001: It indicates that the scanning engine could not be loaded.

Wrapping up

Hope everything is clear to the readers about the Microsoft Safety Scanner. It is a dedicated tool available for quick download from Microsoft’s official website. This utility eliminates the use of any third-party malware detector as it can quickly detect and scan possible malware. However, there remains a need to use a complete antivirus. There is no need for a detailed installation, as it can be used quickly when downloaded.

The detailed steps to use Microsoft Safety Scanner for the Windows system ensure quick detection of malware in the system. It is easy to go through the system requirements and possible errors in it. Beginners or professionals can start using this tool to get rid of the issues on their Windows system due to malware.

Recommended Articles:

How to Debloat Windows 11: Complete Guide [2026]

Computer Cleaning Habits You Must Follow

Author Bio:

Dinesh Lakhwani, the entrepreneurial brain behind “TechCommuters,” achieved big things in the tech world. He started the company to make smart and user-friendly tech solutions. Thanks to his sharp thinking, focus on quality and the motto of never giving up, TechCommuters became a top player in the industry. His commitment to excellence has propelled the company to a leading position in the industry.

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