diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbd395d..aab0f81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Added a workaround to remove outdated `Telemetry.dll` file which fixes login error 400 in game login screen
+
 ## [1.2.4] - 17.07.2023
 
 ### Fixed
diff --git a/src/ui/about.rs b/src/ui/about.rs
index cd6bd99..078b327 100644
--- a/src/ui/about.rs
+++ b/src/ui/about.rs
@@ -93,9 +93,7 @@ impl SimpleComponent for AboutDialog {
                 "<p>Fixed</p>",
 
                 "<ul>",
-                    "<li>Fixed jadeite patch state handling from the metadata file</li>",
-                    "<li>Fixed game pre-downloading button sensitivity when the update was partially downloaded, but then interrupted</li>",
-                    "<li>Fixed game pre-downloading button visibility when jadeite patch state is not \"verified\"</li>",
+                    "<li>Added a workaround to remove outdated `Telemetry.dll` file which fixes login error 400 in game login screen</li>",
                 "</ul>",
             ].join("\n"),
 
diff --git a/src/ui/main/launch.rs b/src/ui/main/launch.rs
index e74164f..c1dace2 100644
--- a/src/ui/main/launch.rs
+++ b/src/ui/main/launch.rs
@@ -2,13 +2,31 @@ use relm4::prelude::*;
 
 use crate::i18n::*;
 
+use anime_launcher_sdk::config::ConfigExt;
+use anime_launcher_sdk::star_rail::config::Config;
+
 use super::{App, AppMsg};
 
 pub fn launch(sender: ComponentSender<App>) {
     sender.input(AppMsg::HideWindow);
 
     std::thread::spawn(move || {
-        if let Err(err) = anime_launcher_sdk::star_rail::game::run() {
+        // Workaround of an issue appeared in 1.2 game update with lowercased telemetry.dll file
+        // This block will eventually be removed
+        let result = Config::get().and_then(|config| {
+            let telemetry = config.game.path
+                .for_edition(config.launcher.edition)
+                .join("StarRail_Data/Plugins/x86_64/Telemetry.dll");
+
+            if telemetry.exists() {
+                std::fs::remove_file(telemetry)?;
+            }
+
+            Ok(())
+        }).and_then(|_| anime_launcher_sdk::star_rail::game::run());
+
+        // if let Err(err) = anime_launcher_sdk::star_rail::game::run() {
+        if let Err(err) = result {
             tracing::error!("Failed to launch game: {err}");
 
             sender.input(AppMsg::Toast {