What to do if win11 antivirus software cannot be opened

Windows 11 anti-virus software cannot be opened through the following steps: 1. Check the status of the anti-virus software; 2. Restart the Explorer.exe process; 3. Use System File Checker (SFC); 4. Use DISM command; 5. Disable and re-enable the anti-virus software; 6. Re-install the anti-virus software.

How to solve the problem that Windows 11 antivirus software cannot be opened

Problem: Windows 11 The anti-virus software cannot be opened, how to solve it?

Solution:

Step 1: Check antivirus software status

• Go to Windows Settings > Privacy and Security> Windows Security Center.
• Check whether the anti-virus software is enabled and up to date.

Step 2: Restart the Explorer.exe process

• Press "Ctrl Shift Esc" to open the Task Manager.
• In the "Process" tab, find the "explorer.exe" process.
• Right click on it and select "Restart".

Step 3: Use System File Checker (SFC)

• Enter "cmd" in the search bar and run the command as administrator prompt.

• Enter the following command and press Enter:

  <code>sfc /scannow</code>

  Copy after login

Step 4: Use the DISM command

• If the SFC scan does not resolve the issue, enter the following command in the command prompt and press Enter:

  <code>DISM /Online /Cleanup-Image /RestoreHealth</code>

  Copy after login

Step 5: Disable and re-enable antivirus software

• Go to Windows Settings > Privacy & Security > Windows Security Center.
• Disable the antivirus software, wait a few minutes, and then re-enable it.

Step 6: Reinstall the anti-virus software

• If the above steps don’t work, uninstall the anti-virus software, restart your computer, and then reinstall it .

Additional Tips:

• Make sure your Windows system and antivirus software are up to date.
• Disable any third-party security software as it may conflict with Windows Defender.
• Scan for the presence of malware.
• If you still cannot open your antivirus software, please contact Microsoft technical support or your antivirus software vendor.

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