Fix problems that block programs from being installed or removed
First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Use a troubleshooter with Windows 10 - Microsoft Support
To run a troubleshooter, use the following steps: Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters, and then select Additional troubleshooters. Note: The following shortcut button directly opens Settings to the Troubleshoot page.
Virus and Threat Protection in the Windows Security App
Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that your device is actively protected by scanning files and programs as they are accessed or executed.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. Here's a few of the more common ones.
Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.
How to start a scan for viruses or malware in Microsoft Defender
Here's how to do that on Windows, Mac, or Android.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Analyze the wireless network report - Microsoft Support
At the command prompt, type netsh wlan show wlanreport. This will generate a wireless network report that’s saved as an HTML file, which you can open in your favorite web browser. The report shows all the Wi-Fi events from the last three days and groups them by Wi-Fi connection sessions.
Connect to a VPN in Windows - Microsoft Support
Learn how to create a VPN connection profile in Windows, and then use it to connect to a VPN.