Troubleshooting & Support
My antivirus is flagging the CSS Launcher
Sometimes, the CSS Launcher may cause false positives in your Antivirus software.
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Sometimes, the CSS Launcher may cause false positives in your Antivirus software.
Some Antivirus softwares might erroneously flag CSS Files.
Our software is entirely safe, having been verified by independent cybersecurity experts and our users.
If your antivirus flags the CSS
If your antivirus flags the CSS Launcher or Gate.exe, we recommend that you whitelist the CSS Launcher folder to avoid issues with the aircraft.
Sometimes, Google Chrome might flag the CSS Launcher installer as potentially unwanted software.
In this case, right-click the download and click "download anyway" to ignore this warning.
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Source: CSS Launcher User Manual, Rev. 5 — December 2025.