Administrator Orange Posted January 8, 2018 Administrator Share Posted January 8, 2018 Here is a detailed guide on how to solve this problem, if you have windows 10 and windows defender or another antivirus is tagging the game client as a virus, a false positive, here is how to solve it: This solution is the same for all antiviruses, if you don't know how to add an exception on your antivirus simply Google "my_antivirus_name how to add file exception". Step 0 - Notification (Optional) Allow the file as pictured once you see a virus report notification and click on it Step 1 - Add a folder exception to your game folder Windows Defender -> Virus & Threat Protection -> Virus & Threat Protection Settings -> Exclusions Your default game folder location should be c:\Users\Your User\AppData\Local\ There select the game folder Celestia Luna Online and add it to exclusions. Step 2 - Turn off real time protection Same location Windows Defender -> Virus & Threat Protection -> Virus & Threat Protection Settings Step 3 - Reinstall Now it's time to reinstall the game, because of how windows defender works it won't restore the file even if you try. After reinstalling you must patch fully before continuing to the next step! Step 3 - Add a file exception Located in your game folder you will find a file called LUNAClient.exe, add this file to exceptions. Now you should have the following exceptions listed: Final Step - Re-enable real time protection And lastly enable real time protection back on and enjoy playing! Link to comment Share on other sites More sharing options...
Ghora Posted February 23, 2018 Share Posted February 23, 2018 Also occurred to me last night (as an Avast user). Just in case you use Avast like me: 1. Turn off Avast's behavior shield temporarily (protection > turn-off the behavior shield) 2. Reinstall the game 3. Add celestia luna installation directory to exclusion (settings > general > exclusions > add > browse the directory) 4. Re-enable Avast's behavior shield 5. Enjoy your game It will probably happen with any other antiviruses (AV). The AV will detect CL as a malware, then the AV will immediately delete the game executable or move it to the virus vault. Generally for any AV, just disable the real-time protection, reinstall the game, add the game to exclusion, and finally re-enable the real-time protection. Geez... These AV detection heuristics are so terribly programmed that false positives are everywhere. Link to comment Share on other sites More sharing options...
adityanobelx Posted June 13, 2020 Share Posted June 13, 2020 I hope this can help u guys, the reason why that happen because the file is gone What u need to do is 1.Open Antivirus 2. Open Quarantined Items 3. Restore That file 4. Open Real Time Scanning 5. Press ADD FIle, Then ADD LUNAClient.exe and Patcher.exe DONE, NOW YOU CAN OPEN LUNA ^^ Link to comment Share on other sites More sharing options...
jundy2 Posted July 1 Share Posted July 1 I do the steps but, still not working. still close the client automatically Link to comment Share on other sites More sharing options...
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