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PSA: Overwolf Usage

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WG Staff, Alpha Tester
3,290 posts
3,708 battles



It has come to our attention that using Overwolf (which may come bundled with other applications, such as TeamSpeak) with World of Warships causes the following issues:


  1. During the installation Overwolf modifies the World of Warships game client without asking for confirmation. It puts a mod into D:\Games\World_of_Warships_RU\res_mods\\PNFMods\owplugin folder.
  2. This mod actively logs your game data while you play: It reads the python.log, damage dealt and taken, ribbons, frags, and the list of battle participants. This information seems to be recorded to the owevent.log file.
  3. While doing so, the mod seems to significantly impact game performance. While we did not have time to test all configurations yet (as we wanted to share this information ASAP), we saw a decrease from 75 to 48-56 FPS on our i7-8700K / GTX1080Ti test machines, caused exactly by this mod activity.
  4. Please pay attention to the following:
    1. If the owplugin folder with the mod is deleted from the World of Warships game files, Overwolf re-installs it when launched;
    2. If Overwolf is uninstalled normally, the mod remains installed.


With that in mind, we recommend the following:


  1. If you have Overwolf, you can check the difference in game performance yourself. To do it, launch the game from the Wargaming.net Game Center or Legacy Launcher in safe mode. Safe mode basically disables res_mods modifications, including the one installed by Overwolf.
  2. If you want to stop using Overwolf, you will need to uninstall it AND manually delete the World of Warships mod. To do the latter:
    1. Find and delete the owplugin folder (\WorldofWarships\res_mods\\PNFMods\owplugin)
    2. If you’re not sure or not experienced enough just clear the whole res_mods folder. The downside is that you will have to re-install any mods you have been using.
  3. Always read the EULA of all products you use. We’re not responsible 3rd party applications.


If we get any new information on this matter, we will let you know ASAP.


Thank you for your attention!

Edited by Sehales

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