diff --git a/README.md b/README.md
index 8e2d596..d7c4b0f 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@
 - [Bug Reporting](https://github.com/surendrajat/apkstudio/issues)
 - [Contributors](https://github.com/Surendrajat/ApkStudio/graphs/contributors)
 - [Special Thanks](https://github.com/Surendrajat/ApkStudio/wiki/SpecialThanks)
+- [XDA Thread](https://forum.xda-developers.com/showthread.php?t=3761033)
 
 ### TODO
 - [Framework management](https://ibotpeaches.github.io/Apktool/documentation/#frameworks) within IDE
diff --git a/include/constants.h b/include/constants.h
index 6e0eebf..44a276d 100644
--- a/include/constants.h
+++ b/include/constants.h
@@ -68,7 +68,7 @@
 #define URL_CONTRIBUTE "https://github.com/surendrajat/apkstudio"
 #define URL_DOCUMENTATION "http://surendrajat.github.io/ApkStudio"
 #define URL_ISSUES "https://github.com/surendrajat/apkstudio/issues"
-#define URL_THANKS "http://forum.xda-developers.com/showthread.php?t=2493107"
+#define URL_THANKS "https://forum.xda-developers.com/showthread.php?t=3761033"
 
 /**
   * @brief Build flags
diff --git a/res/lang/en.ts b/res/lang/en.ts
index 2435acb..776b039 100644
--- a/res/lang/en.ts
+++ b/res/lang/en.ts
@@ -359,7 +359,7 @@
     </message>
     <message>
         <source>app_version</source>
-        <translation><![CDATA[ <strong>APK Studio v4.0.1 </strong> ]]></translation>
+        <translation><![CDATA[ <strong>APK Studio v4.0.2 </strong> ]]></translation>
     </message>
     <message>
         <source>no_apk</source>
diff --git a/src/ide.cpp b/src/ide.cpp
index 33d60d1..8ca026d 100644
--- a/src/ide.cpp
+++ b/src/ide.cpp
@@ -167,7 +167,7 @@ void Ide::onInit()
         resize(p->windowSize());
     }
     restoreState(p->docksState());
-    if (!QFile::exists(PathUtils::combine(p->vendorPath(), "apktool.jar")))
+    if (!QFile::exists(PathUtils::combine(p->vendorPath(), "apktool.jar")) || !QFile::exists(PathUtils::combine(p->vendorPath(), "uber-apk-signer.jar")))
     {
         QMessageBox::warning(this, __("action_required", "titles"), __("download_vendor", "messages"), QMessageBox::Close);
     }