Why you might need to disable antivirus, and what actually happens when you do

Disabling your antivirus is sometimes necessary — a legitimate program your antivirus blocks by mistake, a game that won't run, a driver installation that needs the software out of the way. When you turn off antivirus protection, your computer stops scanning files in real time and stops blocking suspicious activity. That means malware can run if you download it, and existing threats have a clearer path. The risk is real but manageable if you know what you're doing and for how long.

The method depends on which antivirus you use. Windows Defender (built into Windows), Norton, McAfee, Kaspersky, Bitdefender, and Avast all have different interfaces. Some let you pause protection for 15 minutes; others require you to turn it off completely. Some disable only real-time scanning while leaving other protections on. Understanding your own software's options matters more than a generic list of steps.

Key Takeaways

  • Disabling antivirus removes real-time scanning and threat blocking, leaving your computer vulnerable until you turn it back on.
  • Most antivirus software offers a temporary pause (15 minutes to 1 hour) rather than permanent shutdown, which is safer than full disabling.
  • You should only disable antivirus to install a program you trust or to troubleshoot a known false positive, not to download files from untrusted sources.
  • After disabling antivirus, turn it back on immediately once the task is done — do not leave it off while browsing or downloading.

How to disable Windows Defender on Windows 10 and 11

Windows Defender is the antivirus built into Windows. To turn it off temporarily, open the Windows Security app (search for "Windows Security" in the Start menu), then click "Virus & threat protection" on the left. Under "Virus & threat protection settings," click "Manage settings." Toggle off "Real-time protection." Windows will ask you to confirm; click "Yes." Real-time scanning stops immediately.

This disables only real-time scanning. Other protections like firewall and account protection remain on. Real-time protection turns back on automatically after one hour, or you can turn it back on manually by toggling the same switch. If you need it off for longer than an hour, you will need to toggle it again after the hour expires.

If you cannot find these settings, your Windows may have Group Policy restrictions (common on work computers). In that case, disabling Defender requires administrator access and is usually blocked intentionally by your IT department.

How to disable antivirus on Mac

Mac does not ship with a traditional antivirus the way Windows does. macOS has built-in malware protection called XProtect, which runs in the background. You cannot disable XProtect through the System Settings interface — Apple does not provide an on-off switch. If you need to bypass XProtect to install a program, you can right-click the file, select "Open," and click "Open" again when warned. This tells macOS you trust the file and lets it run anyway.

If you have installed third-party antivirus on your Mac (Norton, Kaspersky, Bitdefender, etc.), you can disable it through its own menu or settings panel. Look for the antivirus icon in the menu bar at the top of the screen, click it, and look for a "Pause protection" or "Turn off" option. The exact steps vary by software.

How to disable antivirus on third-party software (Norton, McAfee, Kaspersky, Bitdefender, Avast)

Most paid antivirus software offers a pause option rather than a full shutdown. Open the antivirus application itself (search for it by name in your Start menu or Applications folder). Look for a dashboard or home screen. You should see an option like "Pause protection," "Disable protection," or "Turn off real-time scanning." Click it. Most will ask you to choose a duration — 15 minutes, 30 minutes, 1 hour, or until restart. Select the shortest time that makes sense for your task.

If you cannot find a pause option and need to disable the software completely, look for "Settings" or "Preferences" within the application. Some antivirus software hides the disable option in advanced settings. If you still cannot find it, right-click the antivirus icon in your system tray (bottom right on Windows, menu bar on Mac) and look for "Pause" or "Disable" there.

Do not uninstall the antivirus to disable it temporarily. Uninstalling removes the software entirely and leaves you unprotected until you reinstall it. Use the pause or disable feature instead.

What to do after you disable antivirus

Once antivirus is off, complete your task as quickly as possible. Install the program, run the driver, or troubleshoot the issue. Do not browse the web, open email, or download files from unfamiliar sources while protection is off. The longer antivirus is disabled, the longer your computer is exposed.

As soon as you finish, turn antivirus back on. If you used a pause feature, it will resume automatically after the time expires. If you disabled it manually, open the antivirus application or Windows Security and toggle protection back on. Verify that it is running — you should see a green checkmark or "Protected" status in the antivirus interface.

If antivirus does not turn back on automatically after the time you set, restart your computer. A restart forces antivirus to resume and ensures all protections are active again.

When disabling antivirus is a sign you need help

If you find yourself disabling antivirus frequently because programs keep getting blocked, something else may be wrong. Legitimate software should not trigger constant false positives. If one program is repeatedly blocked, research whether it is actually safe. Check the publisher's website, look for reviews from other users, and verify the download source is official.

If you are disabling antivirus to download files from a website that feels risky, do not. That is the situation where disabling protection actually puts you in danger. Instead, use a different source for the file, or ask in a tech forum whether the source is trustworthy. Disabling antivirus should be rare — a few times a year at most, not a regular part of your routine.

Frequently Asked Questions

Will my computer get infected if I disable antivirus for 10 minutes?

Not automatically. If you do not download or run anything suspicious during those 10 minutes, the risk is very low. The danger comes from what you do while protection is off, not from the time itself. Disable it, complete your task, and turn it back on.

Can I disable antivirus on a work computer?

Probably not. Work computers are usually managed by IT, and antivirus settings are often locked. Attempting to disable it may trigger alerts to your IT department. If you need antivirus off for work, contact IT and explain why. They can disable it for you or approve an exception.

What if I disable antivirus and forget to turn it back on?

If you used a pause feature, it will resume automatically after the time expires. If you disabled it manually, your computer stays unprotected until you turn it back on. Check your antivirus status regularly — most software shows a warning icon if protection is off. Turn it back on as soon as you notice.

Does disabling antivirus affect my firewall?

Not usually. Antivirus and firewall are separate. Disabling antivirus does not disable your firewall. Windows Firewall (on Windows) or the built-in firewall (on Mac) continues to run. Some third-party antivirus includes a firewall component, but disabling the antivirus part does not always disable the firewall part — check your software's settings to be sure.

Is it safe to disable antivirus to play a game?

Only if the game is from a legitimate publisher and you bought it from an official source. If the game is cracked, pirated, or from an unknown developer, disabling antivirus to run it is how malware gets installed. Pause antivirus only for games you trust.