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Firewall blocking an application

An app cannot connect to the internet · A firewall warning appears when opening the app · Network features work on other devices but not this one

Security & malwareDifficulty 2/315 minLow risk

Applies to: Windows, Mac, Other

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Initial troubleshooting steps

Do not click links or enter credentials until this is checked.
Run a full scan with the organization antimalware tool.
Report the alert or message to IT immediately.
Avoid using the device for sensitive tasks until IT confirms it is safe.