Use the System File Checker tool to repair missing or corrupted system ...
DISM.exe /Online /Cleanup-image /Restorehealth. Important: When you run this command, DISM uses Windows Update to provide the files that are required to fix corruptions. However, if your Windows Update client is already broken, use a running Windows installation as the repair source, or use a Windows side-by-side folder from a network share or ...
Remove specific prevalent malware with Windows Malicious Software ...
Windows Server 2008. 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 ).
Remove malware from your Windows PC - Microsoft Support
Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Update your security processor (TPM) firmware - Microsoft Support
Recommended actions. 1. Download and install the Windows operating system updates from Windows Update. If you have turned on automatic updates in Windows Update, you don’t need to take any action because the updates will be downloaded and installed automatically.
Deploy Windows Malicious Software Removal Tool in an enterprise ...
The following files are available for download: For 32-bit x86-based systems: Download the x86 MSRT package now. For 64-bit x64-based systems: Download the x64 MSRT package now. Deployment overview. The tool can be deployed in an enterprise environment to enhance existing protection and as part of a defense-in-depth strategy.
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.
How to start a scan for viruses or malware in Microsoft Defender
Windows Android Mac. From the Microsoft Defender dashboard. Select Device details. Select Manage in Windows Security. Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Getting started with anti-malware in Microsoft Defender
When you first set-up Microsoft Defender on your device we'll run an initial scan to make sure you're starting off clean. Using anti-malware on your device. Microsoft Defender's real-time anti-malware protection runs whenever your device is on, keeping an eye out for malicious activity.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Open Device Manager - Microsoft Support
Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Open Device Manager.