Why you might need to disable McAfee temporarily

McAfee antivirus sometimes blocks legitimate programs or slows down your computer during resource-heavy tasks. You may need to turn it off briefly to install software, run a game, or troubleshoot a problem — but you should re-enable it as soon as you finish. Disabling antivirus protection leaves your computer vulnerable, so this should never be permanent.

The steps differ depending on whether you want to pause protection for a few minutes or disable it entirely. Most people need the temporary pause option, which keeps McAfee running in the background but stops it from blocking things for a set time.

Key Takeaways

  • Pausing McAfee for 15 or 30 minutes is safer than fully disabling it, and you can do this from the main McAfee window without entering settings.
  • To fully disable McAfee, open the program, go to Settings, find the Protection section, and toggle off Real-Time Scanning.
  • Windows Defender will automatically turn on if you disable McAfee, so you will still have some protection running.
  • Always re-enable McAfee or another antivirus as soon as you finish the task that required it to be off.
  • If McAfee will not let you disable it, you may need to restart your computer in Safe Mode or uninstall and reinstall the program.

How to pause McAfee for a short time

Pausing McAfee is the quickest option if you only need protection off for 15 or 30 minutes. Open the McAfee window from your system tray (the icons in the bottom right corner of your screen) or search for "McAfee" in your Start menu and click the main program icon.

Look for a button or option that says "Pause Protection," "Pause," or "Pause All Scans." Click it and select how long you want protection paused — usually 15, 30, or 60 minutes. McAfee will resume automatically when the time runs out. This method keeps the program running and does not require you to dig into settings.

How to fully disable McAfee from the settings menu

If you need McAfee off for longer than an hour, you will need to access the settings. Open McAfee and look for a gear icon or a menu labeled "Settings" or "Preferences." Click it to enter the settings screen.

Find the section called "Protection," "Real-Time Scanning," or "Active Protection." You should see a toggle switch next to "Real-Time Scanning" or "On-Access Scanning." Click the toggle to turn it off. McAfee may ask you to confirm this action or enter your password — do so if prompted.

Once you turn off Real-Time Scanning, McAfee stops actively monitoring your computer. However, Windows Defender (the built-in antivirus in Windows) will automatically turn on to provide basic protection. You will see a notification about this in your system tray.

Re-enabling McAfee after you finish

Return to the McAfee settings and toggle Real-Time Scanning back on. If you paused McAfee instead of disabling it, protection will resume automatically when the timer runs out — you do not need to do anything.

Check your system tray to confirm that McAfee shows as active again. You should see a green checkmark or a status that says "Protected." If Windows Defender turned on while McAfee was off, it will turn itself back off now that McAfee is running again.

What to do if McAfee will not disable

Sometimes McAfee locks you out of disabling it, especially if it is part of a work computer or managed by your organization. If you see a message saying you do not have permission to change this setting, contact your IT department or network administrator — they control whether you can turn it off.

If you own the computer and McAfee still will not disable, try restarting your computer in Safe Mode. In Safe Mode, Windows loads only essential programs, which sometimes lets you access settings that are normally blocked. Restart your computer, and as it boots up, press F8 or Shift+F8 repeatedly until you see the boot menu. Select "Safe Mode" and try disabling McAfee again from there.

If Safe Mode does not work, you may need to uninstall and reinstall McAfee. Go to Settings, then Apps, find McAfee in the list, and click "Uninstall." Restart your computer, then reinstall McAfee from the official McAfee website or your original installation media.

Why Windows Defender turns on automatically

Windows includes a built-in antivirus called Windows Defender (or Microsoft Defender in newer versions). When you disable a third-party antivirus like McAfee, Windows automatically activates Defender to make sure your computer is not left unprotected. This is a safety feature and happens without you doing anything.

You do not need to do anything about this — Defender will turn itself off again once you re-enable McAfee. If you want to use only Windows Defender instead of McAfee, you can uninstall McAfee completely, and Defender will stay on.

Common reasons McAfee blocks things you need

McAfee sometimes flags legitimate software as suspicious because it does not recognize the program or because the program behaves in a way that looks like malware. Games, older software, and programs that modify system files are common false positives. Before disabling McAfee entirely, try adding the program to McAfee's exclusion list instead — this tells McAfee to trust that specific file or folder.

To add an exclusion, open McAfee Settings, find "Exclusions" or "Quarantine," and add the program's folder or file name. This way, McAfee stays on and protects you from actual threats while letting the program you need run without interference.

Frequently Asked Questions

Will my computer get infected if I disable McAfee?

Not when ready, because Windows Defender turns on automatically when McAfee is off. However, you should not leave McAfee disabled for long periods. Re-enable it as soon as you finish the task that required it to be off.

Can I disable just the firewall part of McAfee?

Yes. In McAfee Settings, look for a "Firewall" section separate from "Real-Time Scanning." You can toggle the firewall off independently if that is what is blocking your program. However, most blocking happens in the Real-Time Scanning section, not the firewall.

What is the difference between pausing and disabling McAfee?

Pausing temporarily stops McAfee for a set time (usually 15 to 60 minutes), then it turns back on automatically. Disabling turns off Real-Time Scanning until you manually turn it back on. Pausing is safer because you cannot forget to re-enable it.

Do I need to restart my computer after disabling McAfee?

No, McAfee disables when ready without a restart. However, if McAfee will not let you disable it, restarting in Safe Mode may help you access the settings.

Can I uninstall McAfee completely instead of just disabling it?

Yes. Go to Settings, Apps, find McAfee, and click Uninstall. Windows Defender will stay on to protect you. You can reinstall McAfee later if you want it back.