# Error in opening windows desktop application which has splash screen **URL:** \ **Category:** Desktop Testing\ **Tags:** desktop, windows, katalon-studio\ **Created:** [November 6, 2019, 10:06am UTC](https://forum.katalon.com/t/error-in-opening-windows-desktop-application-which-has-splash-screen/35882 "2019-11-06T10:06:31Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![balakarthimcet](https://avatars.discourse-cdn.com/v4/letter/b/ce7236/32.png) [@balakarthimcet](https://forum.katalon.com/u/balakarthimcet)\ **Post date:** [November 6, 2019, 10:06am UTC](https://forum.katalon.com/t/error-in-opening-windows-desktop-application-which-has-splash-screen/35882/1 "2019-11-06T10:06:31Z")
WinAppDriver throws HTTP/1.1 500 Error, when trying to open a desktop application which has splash screen. Kindly support in resolving this issue ---
**Author:** ![duyluong](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/duyluong/32/1116_2.png) [@duyluong](https://forum.katalon.com/u/duyluong)\ **Post date:** [November 6, 2019, 2:52pm UTC](https://forum.katalon.com/t/error-in-opening-windows-desktop-application-which-has-splash-screen/35882/2 "2019-11-06T14:52:08Z")
@balakarthimcet, Please download and install WinAppDriver v1.2.RC and add this property in Windows Desired Capabilties: ```auto ms:waitForAppLaunch:25 ``` 25 mean the time to wait your application started is 25 seconds, you can increase maximum to 50. > **[microsoft/WinAppDriver](https://github.com/microsoft/WinAppDriver/releases)** > > Windows Application Driver. Contribute to microsoft/WinAppDriver development by creating an account on GitHub.