# Desktop App does not launch **URL:** \ **Category:** Miscellaneous\ **Created:** [June 23, 2023, 4:04am UTC](https://forum.katalon.com/t/desktop-app-does-not-launch/92103 "2023-06-23T04:04:24Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![yga](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/yga/32/23870_2.png) [@yga](https://forum.katalon.com/u/yga)\ **Post date:** [June 23, 2023, 4:04am UTC](https://forum.katalon.com/t/desktop-app-does-not-launch/92103/1 "2023-06-23T04:04:24Z")
![image](https://europe1.discourse-cdn.com/katalon/original/3X/7/f/7f4fe470aa17b7374fc614f8bc920ad6af260e4a.png) I cannot launch the app when do recording/spy objects. error occured. what should be the configuration? java.util.concurrent.ExecutionException: org.openqa.selenium.WebDriverException: Connection refused: connect Build info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:25:53’ System info: host: ‘SGA251824’, ip: ‘192.168.58.129’, os.name: ‘Windows 10’, os.arch: ‘amd64’, os.version: ‘10.0’, java.version: ‘1.8.0\_362’ Driver info: driver.version: WindowsDriver at com.kms.katalon.composer.components.impl.dialogs.ProgressMonitorDialogWithThread.runAndWait(ProgressMonitorDialogWithThread.java:49) at com.kms.katalon.composer.windows.dialog.WindowsAppComposite$5.run(WindowsAppComposite.java:240) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122) Caused by: org.openqa.selenium.WebDriverException: Connection refused: connect Build info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:25:53’ System info: host: ‘SGA251824’, ip: ‘192.168.58.129’, os.name: ‘Windows 10’, os.arch: ‘amd64’, os.version: ‘10.0’, java.version: ‘1.8.0\_362’ Driver info: driver.version: WindowsDriver at io.appium.java\_client.remote.AppiumCommandExecutor.lambda$5(AppiumCommandExecutor.java:251) at io.appium.java\_client.remote.AppiumCommandExecutor.execute(AppiumCommandExecutor.java:250) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552) at io.appium.java\_client.DefaultGenericMobileDriver.execute(DefaultGenericMobileDriver.java:42) at io.appium.java\_client.AppiumDriver.execute(AppiumDriver.java:1) at io.appium.java\_client.windows.WindowsDriver.execute(WindowsDriver.java:1) at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:213) at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:131) at io.appium.java\_client.DefaultGenericMobileDriver.(DefaultGenericMobileDriver.java:38) at io.appium.java\_client.AppiumDriver.(AppiumDriver.java:84) at io.appium.java\_client.windows.WindowsDriver.(WindowsDriver.java:38) at com.kms.katalon.core.windows.driver.WindowsDriverFactory.newWindowsDriver(WindowsDriverFactory.java:194) at com.kms.katalon.core.windows.driver.WindowsDriverFactory.startApplication(WindowsDriverFactory.java:112) at com.kms.katalon.composer.windows.spy.WindowsInspectorController.startApplication(WindowsInspectorController.java:150) at com.kms.katalon.composer.windows.dialog.WindowsAppComposite$5$1.call(WindowsAppComposite.java:243) at com.kms.katalon.composer.components.impl.dialogs.ProgressMonitorDialogWithThread.startThreadAndWait(ProgressMonitorDialogWithThread.java:36) at com.kms.katalon.composer.components.impl.dialogs.ProgressMonitorDialogWithThread.runAndWait(ProgressMonitorDialogWithThread.java:48) … 2 more Caused by: java.net.ConnectException: Connection refused: connect at okhttp3.internal.platform.Platform.connectSocket(Platform.java:129) at okhttp3.internal.connection.RealConnection.connectSocket(RealConnection.java:245) at okhttp3.internal.connection.RealConnection.connect(RealConnection.java:165) at okhttp3.internal.connection.StreamAllocation.findConnection(StreamAllocation.java:257) at okhttp3.internal.connection.StreamAllocation.findHealthyConnection(StreamAllocation.java:135) at okhttp3.internal.connection.StreamAllocation.newStream(StreamAllocation.java:114) at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:42) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:126) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121) at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:200) at okhttp3.RealCall.execute(RealCall.java:77) at org.openqa.selenium.remote.internal.OkHttpClient.execute(OkHttpClient.java:103) at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:105) at io.appium.java\_client.remote.AppiumCommandExecutor$1.createSession(AppiumCommandExecutor.java:186) at io.appium.java\_client.remote.AppiumCommandExecutor.createSession(AppiumCommandExecutor.java:217) at io.appium.java\_client.remote.AppiumCommandExecutor.execute(AppiumCommandExecutor.java:239) … 17 more ---
**Author:** ![Elly\_Tran](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/elly_tran/32/21874_2.png) [@Elly\_Tran](https://forum.katalon.com/u/Elly_Tran)\ **Post date:** [June 23, 2023, 4:22am UTC](https://forum.katalon.com/t/desktop-app-does-not-launch/92103/2 "2023-06-23T04:22:02Z")
> [@yga](#): > > java.net.ConnectException: Connection refused: connect Hi, I found this kind of similar [Katalon Studio 7.0 RC1 Win Application connection refused](http://forum.katalon.com/t/katalon-studio-7-0-rc1-win-application-connection-refused/33238). Please take a look! ---
**Author:** ![yga](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/yga/32/23870_2.png) [@yga](https://forum.katalon.com/u/yga)\ **Post date:** [June 23, 2023, 5:16am UTC](https://forum.katalon.com/t/desktop-app-does-not-launch/92103/3 "2023-06-23T05:16:44Z")
I posted to the thread, got run the admin winappdriver but still error. ---
**Author:** ![Elly\_Tran](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/elly_tran/32/21874_2.png) [@Elly\_Tran](https://forum.katalon.com/u/Elly_Tran)\ **Post date:** [June 29, 2023, 4:03am UTC](https://forum.katalon.com/t/desktop-app-does-not-launch/92103/4 "2023-06-29T04:03:05Z")
Can you please get IT helpdesk double check your IP address and port or security connection? Another caught this due to blocked connecttion