List of security program cleanup and uninstall tools
McAfee: How to uninstall or reinstall supported McAfee consumer products using the McAfee Consumer Products Removal tool (MCPR.exe): http://service.mcafee.com/faqdocument.aspx?id=CS41013&lang=en_US&prior_tid=2&AnswerID=16777217&turl==http%3A%2F%2Fkb.mcafee.com%2Finfocenter%2Findex%3Fpage%3Dcontent%26id%3DCS41013%26actp%3Dsearch%26viewlocale%3Den_US
Remove specific prevalent malware with Windows Malicious Software ...
Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Protect your PC from ransomware - Microsoft Support
Use antimalware programs, such as Windows Security, whenever you’re concerned your PC might be infected. For example, if you hear about new malware in the news or you notice odd behavior on your PC. See Virus & threat protection in Windows Security for how to scan your device.
Protect your PC from potentially unwanted applications
Windows 10. Potentially unwanted applications (PUA) are a category of software that can cause your machine to run slowly, display unexpected ads, or at worst, install other software which may be more harmful or annoying. Windows Security has reputation-based protection that can help protect your PC from potentially unwanted applications.
Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.
Turn off Defender antivirus protection in Windows Security
Security Windows 11 Windows 10. Follow these steps to temporarily turn off real-time Microsoft Defender antivirus protection in Windows Security. However, keep in mind that if you do, your device may be vulnerable to threats.
Virus & threat protection in Windows Security - Microsoft Support
Virus & threat protection in Windows Security helps you scan for threats on your device. You can also run different types of scans, see the results of your previous virus and threat scans, and get the latest protection offered by Microsoft Defender Antivirus.
Applies To:
Microsoft account dashboard
Program Is Not Listed in Add/Remove Programs After Installation
Use the Uninstall Command Displayed in the Registry. Double-click the UninstallString registry value, copy the contents of the Value Data box by selecting the contents and pressing CTRL+C, and then quit Registry Editor. Click Start, click Run, press CTRL+V to paste the uninstall command, and then click OK.
Prevent changes to security settings with Tamper Protection
Learn how to turn on Tamper Protection in Windows Security to prevent malicious apps from changing your Windows Defender Antivirus settings.
Device protection in Windows Security - Microsoft Support
Check with your device manufacturer to see if your device supports TPM and, if so, steps to enable it. If your security processor isn't working properly, you can select the Security processor troubleshooting link to see any error messages and advanced options.