Jan 12, 2007 · Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart …

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

The health report starts off by showing you the last time a health scan was run. The time displayed should be the current time, since Windows Security runs a scan when you open the Device …

Run a malware scan manually Run a quick scan Turn Defender Antivirus real-time protection on or off To learn more about the Windows Security app and all its features, see Windows Security App …

During a scan, Microsoft Safety Scanner detects possible malicious software contained in a file archive, such as a .zip file. You should determine whether the file is malicious software and remove it from …

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Learn how to schedule a Windows Defender Antivirus scan at a time and frequency that you choose.

These options include System Restore, System Image Recovery, Startup Repair, and Command Prompt, which can help you restore your system to a previous state, recover from a system image, …

The health report starts off by showing you the last time a health scan was run. The time displayed should be the current time, since Windows Security runs a scan when you open the Device …