Game error on start

java.lang.RuntimeException: java.nio.file.AccessDeniedException: C:\ProgramData\FAForever\cache\featured_mod\bin\dbfd4dbacfdcfb60a6e5963e2b0ff43d -> C:\ProgramData\FAForever\bin\ForgedAlliance.exe
at com.faforever.client.patch.SimpleHttpFeaturedModUpdaterTask.lambda$call$0(SimpleHttpFeaturedModUpdaterTask.java:81)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
at com.faforever.client.patch.SimpleHttpFeaturedModUpdaterTask.call(SimpleHttpFeaturedModUpdaterTask.java:65)
at com.faforever.client.patch.SimpleHttpFeaturedModUpdaterTask.call(SimpleHttpFeaturedModUpdaterTask.java:24)
at javafx.concurrent.Task$TaskCallable.call(Task.java:1425)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: java.nio.file.AccessDeniedException: C:\ProgramData\FAForever\cache\featured_mod\bin\dbfd4dbacfdcfb60a6e5963e2b0ff43d -> C:\ProgramData\FAForever\bin\ForgedAlliance.exe
at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:89)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
at java.base/sun.nio.fs.WindowsFileCopy.copy(WindowsFileCopy.java:202)
at java.base/sun.nio.fs.WindowsFileSystemProvider.copy(WindowsFileSystemProvider.java:283)
at java.base/java.nio.file.Files.copy(Files.java:1299)
at com.faforever.client.io.FeaturedModFileCacheService.copyFeaturedModFileFromCache(FeaturedModFileCacheService.java:64)
at com.faforever.client.patch.SimpleHttpFeaturedModUpdaterTask.lambda$call$0(SimpleHttpFeaturedModUpdaterTask.java:74)
... 8 more
No idea what any of this means. Think my antivirus doesn't like FaF, any advice on how to fix would be appreciated.