Turning off antivirus protection lowers the PC’s defenses. If McAfee is blocking a trusted application, prefer a narrow exclusion or publisher-supported fix over disabling all real-time protection.
Steps
- Open the installed McAfee application.
- Identify the Real-Time Scanning or equivalent protection control in your installed version.
- If a specific trusted diagnostic requires a pause, choose the shortest available duration.
- Perform only the test that required the temporary pause.
- Turn protection back on immediately afterward.
- Confirm in McAfee and Windows Security that the expected antivirus protection is active.
Do not disable security for unknown software
If a download is blocked, verify its source, publisher, digital signature, and reputation before making an exception. A warning is not proof of a false positive.
Exclusions are also security decisions
An exclusion can leave a folder, process, or file outside normal scanning indefinitely. Limit it to the smallest required scope and remove it when the compatibility issue is resolved.
Managed PCs can enforce protection
Work and school computers may have centrally controlled antivirus settings. Do not bypass those controls; ask the security or IT administrator to investigate a legitimate application conflict.
Troubleshoot repeated detections
If McAfee repeatedly quarantines the same file, submit or report the suspected false positive through the vendor’s supported process rather than continually turning protection off.
Keep the test offline when possible
If the troubleshooting task does not require Internet access, disconnecting from the network during a brief antivirus pause reduces unnecessary exposure. Re-enable McAfee before reconnecting and before opening email, browsing, or downloading files.

Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.