Windows security control virus

Microsoft will notify you if you need to send additional files, and alert you if a requested file contains personal information so you can decide whether or not you want to send that file or not. If you're concerned about a file and want to make sure it was submitted for evaluation you can select Submit a sample manually to send us any file you want. Microsoft Defender Antivirus settings can occasionally get changed by malicious, or careless, apps or processes; or sometimes by unaware people.

With Tamper Protection turned on, important settings like real-time protection, can't be easily or accidentally turned off. Learn more about Tamper Protection. Use the Controlled folder access setting to manage which folders untrusted apps can make changes to.

You can also add additional apps to the trusted list so they can make changes in those folders. This is a powerful tool to make your files safer from ransomware.

When you turn on Controlled folder access, a lot of the folders you use most often will be protected by default. This means that content in any of these folders cannot be accessed or changed by any unknown or untrusted apps. If you add additional folders, they become protected as well. Learn more about using Controlled folder access. In those rare instances you can add an exclusion for them.

Learn more about adding an exclusion to Windows Security. Windows Security will send notifications about the health and safety of your device. You can turn these notifications on, or off, on the notifications page. See Windows Security notifications.

A reboot may be required to finish the process. I hope this helps! Please let me know if you have any further concerns. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP Potentially Unwanted Products.

Thoroughly research any product advertised on the site before you decide to download and install it. Hello all, It is missing from both "Security at a glance" and the "Windows Security" screen.

While the cause is unknown, there is a simple Registry modification, that will fix the problem. For W10 Home, who knows how it is happening. Right-click on the blank space in this folder. Regards, Glen. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. Report abuse. Details required :. If you have another antivirus app installed and turned on, Microsoft Defender Antivirus will turn off automatically.

If you uninstall the other app, Microsoft Defender Antivirus will turn back on automatically. For info on how to uninstall an app, see Repair or remove an app in Windows.

To change your user account to an admin account, see Create a local user or administrator account in Windows. Some of these options are unavailable if you're running Windows 10 in S mode. Account protection - Access sign-in options and account settings, including Windows Hello and dynamic lock. You'll have exploit protection and you can customize protection settings for your devices. Device security - Review built-in security options to help protect your device from attacks by malicious software.

Open Windows Security settings. Yellow means there is a safety recommendation for you. Red is a warning that something needs your immediate attention.

When you're concerned about risks to a specific file or folder, you can right-click the file or folder in File Explorer, then select Scan with Microsoft Defender.

If you suspect there's malware or a virus on your device, you should immediately run a quick scan. This is much faster than running a full scan on all your files and folders. Under Current threats , select Quick scan or in early versions of Windows 10, under Threat history , select Scan now.

If the scan doesn't find any issues, but you're still concerned, you may want to check your device more thoroughly. Use your internet browser's privacy settings - Some websites might try to use your personal info for targeted advertising, fraud, and identity theft. All modern browsers have privacy settings that you can enable to control what sites can see or do.

For more information about configuring the privacy settings in Microsoft Edge see Configure your privacy settings so they're right for you. UAC can help keep viruses from making unwanted changes. To open UAC, swipe in from the right edge of the screen, and then tap Search. If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.

Enter uac in the search box, and then tap or click Change User Account Control settings. Make sure that Tamper Protection is turned on - In Windows 10 and 11 we have a feature called Tamper Protection that prevents unauthorized apps from changing your security settings.

Many viruses and malware try to disable anti-malware software or other security settings when they're installed in order to evade detection. See Prevent changes to security settings with Tamper Protection for information on how to confirm that it's turned on. If you use more than one antivirus or antispyware program at the same time, your PC may experience decreased performance, become unstable, or restart unexpectedly.

Caution: When you remove your currently installed Internet security programs, your PC is in an unprotected state. If you haven't installed another antimalware program make sure that Microsoft Defender Antivirus is enabled, and that Windows Firewall is turned on.

Note: Some security software may not uninstall completely. If you're unable to fully uninstall an app, go to the publisher's website or contact their technical support line for help.