How to fix Windows Defender sees a legitimate file as virus?

by Jake Doe - -

Question

Issue: How to fix Windows Defender sees a legitimate file as virus?

Hello. I have an issue because Windows Defender sees a legitimate file as a virus when it is not related to malware at all. Windows Defender deletes my files due to virus detection. But the particular file is not malicious, I use that script for a long time now. Maybe you can suggest some solutions for me?

Solved Answer

Windows Defender, now known as Microsoft Defender is a security solution for personal computers with Windows operating systems.[1] This program can protect devices from spyware, viruses, malware, PUPs, other intruders. It indicates those dangerous files and affects infections, checks for malicious email messages, connections that are insecure, and ensures that you download safe programs and files only. 

The issue with Windows Defender sees a legitimate file as the virus can be triggered by incompatible programs, files, or corruption of data, applications, system settings. It is possible that there is nothing wrong with the powershell script[2] or a file that is indicated as a virus.

It might be difficult to fix Windows Defender sees a legitimate file as a virus issue because you cannot be sure about the reason behind it. These detection names can cone from PUP to Trojan infection indications and such files can be related to CPU miners or even legitimate Windows files. This uncertainty raises questions and frustrates people the most. 

You should ensure that there is no particular malware[3] programs that could lead to Windows Defender sees a legitimate file as a virus or another virus detection alerts from the system security provider. The defender has some bugs, it is not perfect software, so you should take update issues and the issues with a program itself into consideration.

Windows Defender sees a legitimate file as virus issue

How to fix Windows Defender sees a legitimate file as virus

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You can fix Windows Defender sees a legitimate file as virus and various false positive detections by running a proper anti-malware tool that checks for security issues, finds malware, and clears infections if needed. Also, programs like ReimageMac Washing Machine X9 can help with compatibility or system corruption issues. You might find problems with not compatible files or applications that lead to issues with other programs, functions, and even systems' performance.

Do not speed to conclusions that indicated files are malicious, consider a few methods from the list below instead. File or folder exclusions might be the best method to avoid the reappearance of the Windows Defender sees a legitimate file as virus issue.

Scan the system from Safe Mode to fix Windows Defender sees a legitimate file as virus

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  • You can remove any malware properly via this mode, so press Win and R keys to open Run box.
    Run box for direct commands
  • Then enter msconfig there.
  • System Configuration window appears.
  • Switch to the boot tab and click on Safe Boot option.
    Boot options
  • Choose Network option and save changes.
  • Restart the computer.

Add an exclusion to Windows Security

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  • Go to Start menu and choose Settings.
  • Then select Update & Security.
  • Select Windows Security and then Virus & threat protection.
    Virus & protection feature on Defender
  • There, choose Manage settings.
  • Then find Exclusions where you can select Add or remove the particular exclusion.
    Virus protection
  • Choose to Add an exclusion and select specific files, folders, or file types, processes for the exclusion.
    Choosing the exclusion by type, folder or particular file

Check for Windows Defender updates to fix Windows Defender sees a legitimate file as virus

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  • Go to Settings.
  • Find Update & Security and then find Windows Update to click on Check for updates.
  • If new updates are available, you will find them listed under the Definition Update for Windows Defender and can install them 

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About the author
Jake Doe
Jake Doe - Computer technology geek

Jake Doe is the news editor at UGetFix. Since he met Ugnius Kiguolis in 2003, they both launched several projects that spread awareness about cybercrimes, malware, and other computer-related problems.

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