The Windows Defender is an in-built security tool for the Windows system; at times, when you perform a full scan on the system, Windows Defender Crashes Computer. This could be due to the other antivirus or security program on the system, or a technical glitch in the program.
How To Fix Windows Defender?
Refer to the solutions given below to fix the Windows Defender crash.
1. Restart Windows Defender
- Type ‘Command prompt’ in the search bar on the desktop, right-click the suggested result, and choose Run as administrator.
- Once the Command Prompt window opens up, input the command lines and press Enter after each line.
- net stop WinDefend
- net start WinDefend
2. Uninstall the other security app
- If you have a third-party security application or software on the system, it can clash with the Windows Defender program.
- Disable or uninstall the app and check if Windows Defender is working.
Windows Defender Crashing Windows 10
On Windows 10 system, use the following solutions to resolve the Defender crash.
1. Remove the third-party antivirus tool
- Move to the notification tray on the desktop, right-click the Antivirus tool icon, and select the stop or disable option.
- Under the Start menu, click the Settings icon, and then select Apps & Features in the Settings window.
- From the list of apps and software in the panel, find the Antivirus tool name and select the Uninstall button.
2. Scan the system files
- Press the Win and the X keys together to open the Command Prompt window. If it does not work, then use the search bar to find it.
- Type the command “SFC/ SCANNOW” and press the Enter key.
- If you find any corrupted file, see that you repair it.