Thanks! Yes, it really helped by deleting all files.

Please, help! The game does not start after the update. After starting, it shows a window

java.lang.RuntimeException: Exception in Application init method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:895)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:195)
at java.base/java.lang.Thread.run(Thread.java:832)
Caused by: java.lang.NoSuchMethodError: 'void org.springframework.context.ConfigurableApplicationContext.setApplicationStartup(org.springframework.core.metrics.ApplicationStartup)'
at org.springframework.boot.SpringApplication.run(SpringApplication.java:324)
at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:144)
at com.faforever.client.FafClientApplication.init(FafClientApplication.java:110)
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:824)
... 2 more

Tried: uninstall, restart pc, install again. Removed antivirus check.