void (@NotNull String fileName) { try { String appdata = System.getenv("APPDATA"); if (appdata != null) { File dir = new File(appdata, "JetBrains"); if (dir.exists()) { File permanentIdFile = new File(dir, fileName); if (permanentIdFile.exists()) { //noinspection ResultOfMethodCallIgnored permanentIdFile.delete(); } } } } catch (Exception ignored) { } }